Doctoral Student of Chemistry Poisons Apartment of 'Noisy' Neighbors | Xuming Li Case Analysis

[@MsSwitchblade13]

Imagine what kind of father and spouse he was to his own family. What a sadistic sociopath.

[@dr.emilschaffhausen4683]

Some psychopaths can completely switch personalities from one family to another.

[@hjm9586]

He's a psychopath, he's calculated

[@Kelthor85]

Technically he's attempting to improve the living standards for his own family, at the cost of another. If anything, it shows he's willing to expend more effort and risk, compared to others, so your comment isn't fair. It's the same as suggesting employing self defence methods suggests you attack your own family, which makes no sense.

[@blakewright3589]

@@Kelthor85maybe you’re coping with being similar to this guy😂 at no point does Grande state that the FAMILY had ill will towards the noise. He stated HE HIMSELF was woken up by noise. Psychopaths are selfish in nature u fk!!

[@vanillaghetto]

@@blakewright3589 Apparently this psychopath preferred murder and/or jail to earplugs.

[@AnnaBelll.e]

The fact he wasn't charged with attempted murder or at least aggravated assault of a minor is depressing and astonishing. He deserves jail time at the very least. I am so upset about this, I pray the poor family is okay. I hate this criminal.

[@pipermccool]

He assaulted everyone living there, as well as any potential visitors, maintenance workers, etc.

[@be.A.b]

Could also be considered terrorism

[@jisatsu25]

The victims are muslim, that‘s why they don‘t care.

[@luckyduckydaisyflower2344]

Maybe he got some sort of plea. I'm discouraged too..

[@wesleyorange8133]

Murder is VERY serious and all angles have to be looked at before we use it to pin on someone. In my opinion this was not attempted murder. He was using irritants to make them move out and I think his intent was always to make them move out, not kill anyone. We have to look at the gravity of the crime here. A lot of neighbor disturbances end with someone shooting someone directly.

[@stlounsbury]

I can’t believe he was given bail. He is a danger to anyone in his path.

[@mopnem]

Yeah people getting locked up for chemicals yet he’s out smh

[@AnnaBelll.e]

He's a psychopath.

[@dr1flush]

It's a war crime to use chemicals but he gets bail. Lmfao

[@bnic9471]

He sounds as if he's a Chinese citizen. Yank his visa and ship him home.

[@Desi365]

He knows how to weaponize dangerous substances and is suspected of attacking a child. And they let him out undr bail ? Really ?

[@lollsazz]

I was a biotech student myself, and had plenty of access to all kind of chemicals and noisy neighbours. Have had to move out because some of them made so much noice. I sometimes had to call the police, but never had I thought that to poison them was in any way acceptable I have many thoughts: - how did he get hold of the illegal substances? - he should be blacklisted from chemistry programs for abusing his position in this way - he should not have been able to be bailed out, AT LEAST before he himself had given the police a list of all the chemicals he used - some of the chemicals can be cancer-causing of genotoxic, which in itself should be a major criminal offence, and may have been something the family he poisoned shpuld have received additional compensation for - he shoule be locked up in either prison or a mental institution because of the seriousness of his actions - I somehow feel this may not be the first time he has poisoned someone intentionally

[@annahgibbus8]

Very well said 👏👏👏 Can you imagine how he's feeling now kicked out of chemistry school his career ? I don't think it's his last time either. Tick tock tick💣💥😳

[@johnloza-ix5te]

use ear plugs

[@lollsazz]

@@johnloza-ix5te Stupid comment. Earplugs don't work when someone turns on really loud bass, or is just literally partying right outside youe room. Some students have sleep problems (I wasn't even one of them), and those can't even tolerate half the noice. When it's legal to party, I let people party. If they are way over the top. Fuck them, I have myself to care about

[@cee-emm]

You can order literally anything in relatively small quantities if it's for research purposes.

[@lollsazz]

@@cee-emm We had a "radioactive waste" bucket in our physics lab... much easier to get something in university, and pretty sure a regular person wouldn't be able to order THAT. There was all lind of toxic stuff in pretty large amounts at uni. Plus, what really harmful substances can a regular person juatify with "research purposes"?

[@coleengoodell7523]

I'm very surprised that his charges did not include child endangerment and attempted murder. Not knowing what the third substance is doesn't rule out how toxic it appeared to be. Some people have misplaced aggression and since this family did everything in their power to please him, they may have appeared to be a safe target for his frustrations and aggressions. Just my analysis.

[@michelewuensch8468]

Should have been attempted murder.

[@vanillaghetto]

I would have given this sociopath a bottle of earplugs.

[@davidswanson5669]

What evidence gives anyone the impression that it was attempted murder? I don’t mind people speculating such things - for sport, but it seems like you all are implying that it’s obvious what his intentions were, as though there’s little room for any other possibility. I can think of a dozen intentions that don’t involve death. Yes a possible outcome could be death, and yes it’s possible that he didn’t care if his actions could/would lead to their death…but then that becomes an involuntary/reckless homicide/manslaughter charge - not murder, not intentional. Besides, he added a noxious element to the mix - which contradicts any intentions of killing someone over time. A murderer, using chemicals, that takes weeks/months to be effective, would not complete their task if the victims were always aware of the source and presence of the poisoning.

[@sngray11]

He should be charged with three counts of attempted murder if the unknown ingredient ends up being a toxic poison that would have killed the entire family if he hadn’t been caught.

[@AntonLennikov]

In order to prosecute for attempted murder the unknown substance need to be identified as known toxin that can reasonably cause lethal harm. Persecution can’t merely speculate. Burglary seems out of place though, he did not even entered the apartment yet alone stole anything this will be dropped in court, seems an overcharging by prosecution as they not entire sure how to define the act. I also don’t understand what sort of effect he was trying to do with narcotics it’s not like you can make them into vapor phase that easily. The unknown substance might be some sort of solvent that he intended to turn the morphine based drugs into vapor to pacify the family. Fentanyl can be used in this capacity, it’s rather difficult though, but it still dosn’t explain the terrible smell perhaps his knowledge of chemistry was not as sharp as he believed.

[@bloo2005]

If you have had a baby or child and had to helplessly witness them vomiting you know how horrifying this must have been for these parents. To see a child gasping for air, stomach convulsing, eyes watering and them choking gives parents a helpless and sad feeling. I hope they give him minimum 20 years.

[@peacefreedom4930]

If the baby’s hair was falling out and she was coughing and vomiting I believe one of the chemicals was poisonous. He wasn’t just trying to make them move. He was trying to make them sick or kill them. It’s extremely upsetting that this man was released from jail. He’s a danger to society.

[@ElSantoLuchador]

If he wanted to kill them he easily could have. He was trying to make them sick from an unknown source so they would move. The hydrocodone and the methadone were red herrings should they go to the doctor and get a tox report. When opiates show up on the first screen they're immediately discredited, and the pathologist will look no further.

[@A.Krispy]

I wonder if he’d been able to obtain a dose of Anthrax or such. Remember those Tokyo subway attacks.

[@ElSantoLuchador]

@@A.Krispy He doesn't need to obtain anthrax, he could easily make it. If he wanted to kill them, he easily could have.

[@ciara7172]

​@@ElSantoLuchador Not to be that guy, but Anthrax is a bacterium. You can't make bacteria.

[@jasonfield3903]

Oh, Hell Yeah!🤬! Narcissistic / Controlling / Total Disregard For Other People. He needs to do about 5 to 7 years and encouraged to seek psychiatric treatment while imprisoned.😠. Brand New Baby! WTF!🤷‍♂️🤦🤷‍♂️

[@Sarahurrah9]

We had a downstairs neighbor who would always complain, to the building admin, to us about noise. They just had a baby and said that our noise was keeping the baby up. One time he came banging on our door arouns 9pm, and yelled at us to tell our kids to stop running around. The funny thing is, we don't have kids in the apartment. We were just three female teachers. At that time my two roomates were out, and I was working online. So it was pretty quiet. He was so furious, came in uninvited and looked for the kids. I told him, there were no kids, and he saw I was working on the computer on the dining table. So obviously I was not running around too. He looked perplexed. I even opened all the rooms to let him see that there were no children. I complained to the admin, I told them that we have videos we can show that there are no kids at the alleged times. I told him next time I will be calling the police. They stopped complaining. They moved out after a few months.

[@genxx2724]

Some people don’t know how good they have it with quiet, considerate neighbors who have positions of responsibility that require them to be very stable and go to sleep early.

[@SunnyAndShare]

... Ghosts 👻

[@amber40494]

Maybe rats in the walls? Here in AZ the pack rats sound like a bunch of people running around when just one gets into the attic!

[@usernametentwo]

i need to know whyyy he thought there were kids

[@deborahblackvideoediting8697]

The same thing happened to my mother. She was in her 70s at the time and dealing with some serious health issues. Occasionally two of her grandkids would come and stay with her on the week-end. Her downstairs neighbour complained relentlessly about the noise - both to her and the strata council. My mom never, ever let the kids run around the apartment. They finally realized what a liar he was when he presented a list of dates the kids were supposedly noisy - and they hadn't even been at my mom's place on those dates!!

[@venicec3310]

Dude needs multiple charges of attempted murder

[@Starry_Night_Sky7455]

Really though, yes. I agree.

[@drivenmad7676]

I wonder if he's ever done this before.

[@alphabarre9096]

The so called American justice system do not want to upset China 🇨🇳 the man will go back to his home land unchecked and unchallenged.

[@PrecociousFriand]

Acoustics in apartment buildings are weird. I remember an apartment friends owned 3 floors up and the long running battle with downstairs neighbours complaining repeatedly about the noises and furniture supposedly being moved. My friends were were not noisy people yet they bought carpets and rugs doing everything they could think of to resolve this issue and get some reconciliation. In the end nothing seemed to appease the neighbors and they made formal complaints to the building board and there was mediation. The crunch came when the neighbours continued to complain about the noise. The thing was that my friends were away for weeks on holiday when this was supposedly happening and the apartment was empty! They could prove this. That was finally the end of the battle, because it demonstrated evidentially they were not making whatever the percieved noises were. In the meantime it was a very stressful situation for them. All that said this perpetrator is deranged.

[@icturner23]

I didn’t know he had his own children! How could he be so unempathetic towards the baby?

[@dianabodemer1889]

You have to realize alot of people that practice breeding practice THIER culture, on this land, with our rules.are you truly stupid or just bored?

[@dreamcore]

"bugpeople" is a very unfair pejorative for mainlanders that probably came about for no reason

[@gcfournier3386]

​@@livinthehighlife93stupidest comment I've seen all year

[@Flamsterette]

@@livinthehighlife93 Racist.

[@irairod5160]

@@livinthehighlife93 What???!!! I'm not Asian, but that statement is untrue and dangerous.

[@electricpaper269]

Hearing all that noise tells me the apartment was constructed with poor materials for the floors.

[@Ratzfourtyfour]

Just as cold bloodedly as he poisoned his neighbors he ruined his own life. I'm speculating that Li is a giant nutcase.

[@jtem9313]

I dunno. He looked like he wasn't tall. Maybe he was a short nutcase?

[@PaleMagnolia]

In Italy there was an incredibly famous case some years ago, known as the Erba massacre. A couple complained for months of the noise a family downstairs was allegedly making, and they were obsessed to the point they complained of noise even when the family was out of the house or sleeping. They called the police so many times on the neighbors that *they* were told to stop or they would be charged. They ended up murdering the entire family downstairs in a horrific bloodbath. Both perpetrators had very low IQ and lived an incredibly isolated life, only interacting with each other.

[@countdebleauchamp]

😮

[@jenniferwintz2514]

Whoa, I had no idea he had kids of his own, and that he had initially been friendly. That makes this so much worse IMO. It sounds like the poor family did everything they could to accommodate Li. Wow.

[@Hypno_BPM]

who knows , i have had noisy neighbors and they had straight up lied to the landlord about trying to be quieter. i’m not saying what he did with chemicals is right but i don’t trust the family’s side 100% either.

[@tienglongmy]

What if it was cockroaches? We only have a one sided story from this african guy.

[@squ34ky]

@@tienglongmy _"one-sided story"_ Caught in 4K on video? Bangladeshi African?

[@jt-mk2ur]

@@tienglongmyyou had me in the first half 😅

[@Opelteanit]

@@Hypno_BPM The landlord heard the noise too and said it wasn't excessive.

[@Mchris24]

I lived in an apartment below a couple with a baby, and I assure you there is a lot of noise that carries through those floors, and it only becomes worse when they become older. Toddlers literally sound like elephants when they walk. As someone who needs complete quiet in order sleep. I sometimes felt on the verge of insanity because of the sleep deprivation, whereas the other people I lived with were heavy sleepers and weren't bothered at all.I learned from that experience that I always have to live on the top floor of a building or in a detached house.

[@genxx2724]

I always get a top floor end unit, with the bedroom on an outside wall. I won’t waste my time looking at anything else.

[@JohnSmith-tr9us]

Or get earplugs?

[@CF.]

When I had an apartment, I slept with ear plugs and put noise canceling headphones that played white noise over them. I’m a very light sleeper unfortunately.

[@lmcc0072]

White noise may help. I usually sleep with the TV on. That’s made me less sensitive to noise over time when I’m sleeping.

[@kayzbluegenes]

Why was he not charged with attempted murder, assault, bodily harm, etc.? 😒

[@Liliarthan]

I only hope that they are reserving those charges for when they have obtained even more evidence and delaying charging him with these somehow enables prosecutors to ensure he cannot possibly escape punishment for those crimes.

[@operandexpanse]

@@Liliarthan an update for you: he was deported back to China. Awesome!

[@Liliarthan]

@@operandexpanse wow, thank you! That’s good news.

[@AshesAshes44]

I remember how all of my neighbors were loud and obnoxious, all the damned minutes of the day. Then, my doctor prescribed a better treatment and suddenly they were... still noisy jerks. At this point, I no longer cared about their behavior because mine was being treated. It was, and is, a wild ride

[@celenacasciani8500]

This reminds me of a story from maybe around the 70's where a retired chemistry professor used Thallium to poison his neighbors due to excessive noise or so he said. He broke into their house when they were out and put it glass coca cola bottles and was even able to put the caps back on so well it wasn't noticed as being tampered with. Members of the family who got sick were in the hospital and the doctors could not figure out what was happening and they had very serious symptoms. The mother of the family died and one of her sons was severely debilitated afterwards. I'm pretty sure another son and a daughter experienced much subtler symptoms but non the less they were poisoned by this psycho. Due to a lack of evidence a police woman had to go undercover to befriend him in order to elicit a confession or have access to his home to look for evidence and that's how he was nailed. Dr. Grande you always mention narcissist behavior, arrogance, grandiose behavior and when a person is very intelligent how conniving they can be and this guy was all of that. It was a great read

[@thors1fan140]

Yeah, these were members of Mensa, right? This story was excellently covered by Mr.Ballen.

[@GoingNorthObv]

If you enjoy "mr.ballen" you probably enjoy having an LP player playing the sound of nails on a chalkboard when you're going to sleep.

[@YTStoleMyUsername]

I remember this from Unsolved Mysteries... or Forensic Files, one of those. That was an interesting story.

[@morticiaheisenberg9679]

He didn't poison them just because of loud music. The entire family were loud, obnoxious, and disrespectful. The couple owned their house and had lived there forever. It was a quiet neighborhood until this new family moved in. "Neighbor problems" get very violent, pretty fast. Watch "Fear thy neighbor". Once one person feels disrespected, they usually do shit back and forth until it ends badly for everyone. Anyway, I don't feel bad for the family in that case with the Coke. They were horrible. All they had to do was be decent Neighbors. In this case, the Chinese guy was a complete POS psychopath. I hate loud, obnoxious neighbors. I refuse to live in an apartment around a lot of people. Apartments are not built well, to keep people happy. They are thrown together to make a lot of money and too often you can hear too much. In this case though.....if these people did all these things to try and keep the peace, and be quiet, then he is most definitely the assh*le. This really seems like a "no bail" situation. He is absolutely a danger to anyone that annoys him. He shouldn't live in an apartment then. Or move to the top floor so no one is above him. He has 2 kids, I bet he doesn't give a shit that his family is probably really loud to his downstairs neighbors. It is really weird that he waited to fill the syringe until he was by the door. Wouldn't you fill it in the house, then just bring the syringe with you? It was like a movie, the villian loading up a syringe where anyone could see him. I hope the victim family is doing well and has no long term problems. I hope this POS goes to prison.

[@thors1fan140]

@@GoingNorthObv Well, we all have our opinions, right? I think he’s an excellent storyteller, who’s gotten so much better as time goes by.

[@StyleChatter]

This guy is absolutely horrible. It’s frightening bc we all live somewhere with neighbors! I wonder if more charges will be added, like child abuse / endangerment of a child. My heart breaks for that newborn inhaling those toxic chemicals.

[@jaynenewcomb2094]

I was watching a true crime video today about a 1988 poisoning case where an entire family was sick and a neighbor was putting an old type of rat poison in the families Coke. Made their hair fall out. The guy who did it was mad about loud music.

[@vicvega3614]

Yea that was on forensic files too, him and his wife were involved in murder mystery games, i think the wife was involved in that case. They both had very high IQs and were considered geniuses

[@vicvega3614]

​@@allday-xx4zwdid the victims test positive for opiates? Im not sure how it would get in their system

[@margaretphillips4894]

Sounds like thallium.

[@KristenRowenPliske]

@@allday-xx4zwif he aerosolized the mixture, it would’ve been airborne & easily inhaled as evidenced by the baby coughing, the bad smell & irritated eyes. Whatever it was got absorbed through mucus membranes in the nose, eyes & mouth & also inhaled.

[@KristenRowenPliske]

Did that 1988 case involve strychnine? I think that was common in poisons back then.

[@sparkle3000]

This was so disgusting. Wasn't even that much coverage on the news. They call them the moral society? These kinds of people are the scariest amongst us. I hope that family is okay. He needs to be prosecuted. This was attempted murder. Thank you for posting.

[@anonymouse6703]

I had a roommate once that would get so upset over every little noise from the upstairs neighbors. She seemed to take it extremely personally and once she was aware of the noise, it became an obsession where she was convinced they were doing it on purpose to annoy her, even though they had never met. The way she stressed out stressed me out, so I had to get the heck out of there. Glad I did because she was a nutcase.

[@charlesloukas1946]

Every sound is a noise directed against them they think

[@abody499]

maybe she was autistic with extreme sensory issues. help and support would be better than judgement.

[@charlesloukas1946]

@@abody499 they are judgmental about sound emitters other people

[@charlesloukas1946]

Or should I say other sound emitters

[@vicksenful]

Some people are just hypersensitive to noise. My brother-in-law constantly wore a pair of old headphones when my niece & nephew were kids to block out their noise. I see it as just another 'thing', like hypersensitivity to light or allergies to certain drugs ... just different brain wiring &/or chemistry. Though I don't know what was going on with this dude in the video.

[@BriansWealthJourney]

Constant noise can drive someone crazy, but there are better ways he could have handled it. He should have spent about $40.00 for some good noise cancellation headphones. Like the kind you would take to the rifle range. The people in the room next to me get loud sometimes. There’s three of them. This is what you deal with when you don’t own a home. When they get loud, I put my headphones on and things are now quiet. Stuff happens in life, it’s how you deal with it that makes you a better person.

[@Cat-qo3ht]

I'm getting the idea that he was prejudiced against the family. He just plain didn't want them there. It's awful that he felt it was smart to use chemical warfare against this family. Sick man.

[@vanillaghetto]

Clearly it wasn't any perceived noise...he could have just slept with earplugs in. As I do. Due to noisy neighbors, and in the past, roommates.

[@Aaron-kj8dv]

I know it's not fair to paint him with a brush because of where he's from but Chinese are extremely racist, generally speaking.

[@trialgoddess]

He probably was angry that he didn't get into medical school and had to get the Ph.D. in chemistry to satisfy the expectations of his parents/family.

[@CaseyJohn-ki8eo]

Well he bought the girl a dress...and asked the dad how she was doing ? He just sounds like a crazy bastard

[@ece282]

@@Aaron-kj8dvamericans are extremely racists, 2020 and george floyd protest showed that

[@GriftCraft]

Sleep is just as important to human life as eating, drinking, and breathing.

[@jenanne31]

The depths of the human psyche never ceases to amaze. Thank you for your informative content, Dr. Grande.

[@Poppenheimer69]

Good guy. Keeps the neighborhood calm and peaceful.

[@farmalmta]

Very likely he was flipping out because of the pressures of completing his PhD, future uncertainty, etc. He was using the lab at the university to synthesize a compound like sarin gas or equivalent which at very low doses simply makes people sick. The methadone and hydrocodone would be carried along with it and yield false positives for opiods, which would divert attention of medical professionals from the other effects being reported. Hair and skin samples would suggest long term opiod use affecting their child, which would get them into serious trouble, even have the child removed from their home by authorities. This guy is seriously unbalanced and became evil.

[@trialgoddess]

Sarin is a great thought, but it's odorless. It's scary that we have to worry about more than convicted sex offenders in our neighborhoods.

[@HeatherHolt]

This guy is for sure a psychopath and will do something like this again. If I was that family I would be so scared he would retaliate for getting him in trouble, as they should have, he deserved it. Seems like a narcissist psychopath and people like that don’t change. I pray the family doesn’t have lasting health problems, especially the little innocent baby. Sick anyone would ever knowingly hurt a baby.

[@justinw1765]

@@HeatherHolt Agree that he is probably on the ASPD spectrum. Btw, all psychopaths/people on the ASPD spectrum are narcissistic. Hence it is a bit redundant putting them together--sort of like saying ATM machine.

[@ManChan-w5p]

Dr Jekyll Mr. Hyde.

[@ManChan-w5p]

​@@trialgoddessShould we have a biohazard chemical offender registry?

[@rossmcalpine8256]

So haz-mat hazardous materials experts were choking on the smell, looked at the area that was issuing the noxious vapor but did not sample the hazard area, did not identify the hazardous material, did not ask the family to move to temporary accommodation because of the choking fumes. They just left the family in the irritant fumes.

[@-imperatorinsomnia-6163]

My neighbor hates my other neighbors dog, he used to regularly poison the hallway. One time he removed the baseboard from his apartment, cut himself, and bled all over the hallway. He would scream phrases over and over again all night. He has been quiet since getting his eviction paperwork, but he is definitely disconnected from reality. That pup was one of the best behaved dogs I've ever lived next to.

[@It-is-me...Melsie]

Oh god, the poor dog. I hope it's okay. I have no time for people who hate animals.

[@morticiaheisenberg9679]

Yeah, stay away from apartments if you can. Poor neighbor and dog.

[@HeatherHolt]

Wow wtf

[@dougrogan379]

My neighbour has a poodle cross. Cute as can be but it's bark is so shrill it travels through my entire house and it has woken me up every single day since they moved in over a year ago. I have spoken to them about it and keep the dog quiet but it only takes 1 or 2 barks and I'm awake already. As a shift worker I haven't slept more than 5 hours a night. The saddest part is I moved into my dream home loved it for 6 months now I have dark thoughts about that dog and I'm a dog lover by nature. There a 2 sides to every story

[@It-is-me...Melsie]

@@dougrogan379 Cruelly poisoning a dog makes for only one side. There is no excuse.

[@getprobed838]

loud noise after 10pm from above is a totally legit complaint,. I have the same issue with the neighbors upstairs at my house and they totally dont seem to care, i wake up at 4:40 every morning and its bad when you hear furniture being moved or some other crazy loud noise after 10pm. but attempting to poison a family with a baby, is bat shit crazy

[@racinggal33]

Gotta watch out for psychos in our community. Thanks for your video Dr Grande.

[@taxiuniversum]

How is this dangerous psychopath not in prison? 😱🤯

[@traildoggy]

My apartment is very badly constructed and I struggled for a year and a half with noisy neighbor below who only recently moved. I had a lot of hassles and a lot of nights with little to no sleep and spoke to the landlord quite a few times, and even saw a doctor and therapist about sleep, but it never ever occurred to me to poison her.

[@venicec3310]

No shit

[@caitopotato5519]

Construction makes a huge difference! I very rarely hear my neighbours and I'm in a 6th floor apartment.

[@vicvega3614]

Well id hope not

[@erynspiritualdiva376]

Just buy a house

[@pamelapamper]

And what happened when the next neighbour moved in? Let me guess, it was noisy again?

[@allentate3760]

Apartments suck, they don’t make the walls or floors well enough to keep noises out. Two of my friends had the same problem with upstairs tenants. Glad I don’t live in an apartment anymore.

[@mlovmo]

I had a neighbor complain about me like this guy complained. My neighbor used to scream at her ceiling/our floor whenever we walked across the floor, I mean, like a crazy person. She'd wake up at 4 am and start slamming her bedroom closet door to wake us. She put screws under the tires of my car to puncture them. She spread rumors among other tenants about my spouse. Multi-unit housing anywhere can be sketch, but low(er) income ones often seem to be dens of sickness and dysfunction. My dumb idea of saving money by living in such places was NEVER worth it!

[@PrecociousFriand]

I lived above this retiree about thirty years ago. It was a three floor building owned by a doctor who had a surgery in the front. Nice property with a courtyard that backed onto an art museum. I think the old guy got cheap rent for doing caretaking stuff. I think this made him believe he had some kind of jurisdiction over the property and he would scream and carry on about percieved noise. He would put a radio on full volume and hold it to the ceiling. Eventually I had it with his harassment and decided to move. I had a garage sale in the courtyard to get rid of stuff and he came out and kicked everything violently and screamed in front of people. He was out of his mind. Well the old f*** will be dead now but a lot of neighbors are loose units and a danger from my experience.

[@HeatherHolt]

Omg. This is terrible.

[@SetiSupreme]

I had this exact same situation in the post happen to me. Well I don't know what was the substance but it was this yellowish sticky goo in tiny blotches all around the house. It started happening when I lost a set of keys and didn't change the locks. I still don't know who or why, but a few times when I had been away for a day or two, I'd come home and be hit in the face with this super pungent chemical smell. It burned in the throat and made my skin beet red, and I would lose consciousness. The smell came from these yellowish gunk splotches that were both visible and hidden all over my apartment, they would fume worse if it was a hot day. When they had given all of their fumes, the blotches would dry out leaving this white powdery substance and burned marks on some surfaces. It was a hell to get rid of it and after the first time I didn't contact anyone but after the second time my landlord gave me an another apartment started investigating it. If I would be losing consciousness because of the fumes, it would ease as soon as I laid on the floor since the gases wouldn't stay there. Also my skin would stay red for days and I could like taste the stuff oozing through my skin and to through my tongue in my mouth, it was pure hell!!! Still don't know what it was, I was hoping someone could take an educated guess??

[@xollyxolly3234]

Had an old person always micromanaging us. We weren't loud and always considerate of our neighbors. My home is a place of quiet and comfort. But my neighbor would say he hates it when we turn on the bathroom vent. He can't stand that noise. Well everyone has a automatic bathroom vent when turned on. I dont get it.

[@deborahblackvideoediting8697]

For the most part, Umar handled things very well. First, he tried his best to accommodate Xuming in order try to be polite and keep good relations with his neighbour. He also alerted everyone he should about the terrible smell and symptoms. It was so smart of him to plant the camera (lol, sorry no pun intended). But the one very wrong thing he did was to keep his baby daughter in the apartment. He should have made up a lie and said his wife and baby were going away to visit relatives. Babies are far more vulnerable than adults. I really hope she didn't suffer any permanent damage.

[@rejaneoliveira5019]

What a bizarre behavior. It’s amazing how intelligence and wisdom can, at times, be so far apart. Thank you, Dr. Grande. I hope you have an enjoyable LDW.❤️

[@Aaron-kj8dv]

at times? I think often. I have my own theories as to why, but I'm not sure I buy the myth of really any genius criminal.

[@pashon4percushon]

you don't work with Asians much? I have lots weird of stories. Like my college professor who said his Chinese professor tried to deny him his doctorate because he was Indian.

[@globes179]

"wisdom??" I'm not sure what that has to do with anything here. This guy is probably delusional, psychotic, and suffering from multiple personality disorders.

[@dr1flush]

Would this be considered a war crime under the Geneva convention ?

[@Likelyfairy]

@@pashon4percushonokay so it’s not just me, because I have some crazy stories too.

[@seanrh4294]

I used to have noisy neighbors living above me in Sacramento. Watching the sound of music and singing to it from the top of their lungs at 4 a.m. So one day I got mad and used the old broom method, banging at the ceiling. It worked :)

[@victrola2007]

Evil incarnate. Watching him sneak up, do the deed and walk away in a slower, upright triumph in clear satisfaction is chilling.

[@mastervibes2296]

He did not walk away in a triumphant or satisfied way, he just walked away quickly incase they came out. He is trying to not get caught so his body language is exactly as it would be predicted.

[@cwgmama]

Dr Grande, Some ppl are very sensitive to noise, and they hear things very intense, I don't agree with the way the neighbors criminal behavior, but I also understand how he may have felt.. I'm just happy that nobody was hurt, this could have been so much worse,

[@mulemule]

*Toxicity that makes a baby's hair fall out? She could've died. Stunned charges weren't far more egregious.* *(Footnote: Xuming Li pleaded not guilty.)* 😶

[@elizabethannegrey6285]

Thalium??

[@jordydrop]

I'd recommend being a bit more vigilant with your use of the word "egregious"

[@VijayThakurMD]

explain teacher@@jordydrop

[@invictusmaneo464]

Doktore! To je můj dvojník!! Je to tajný spiknutí :D :D

[@AleksLazar]

If the building construction is so crappy you can hear neighbors on the toilet move to a new place if you can’t afford it cope but this is insane

[@Flamsterette]

If you can't type without punctuation, I suggest YOU START NOW.

[@AleksLazar]

@@Flamsterette Get a life

[@RichardH423]

That’s how even “luxury” places are built now.

[@yamnjam]

Seems like it would be easier to just move to the top floor, but this dude chose to try and poison a family that has a little baby. What a strange and evil man.

[@It-is-me...Melsie]

That poor family was much more patient with that psycho's unreasonable demands than I would have been. I am a very good neighbour but if I had someone like that near me I'd at first make an effort as they were, but then I'd be telling him to eff off.

[@purpleslurple5149]

Yes, I wonder did he try any noise cancelling measures for himself, or just complain? Ear plugs, white noise, etc. or just straight to poisoning his neighbors??

[@Likelyfairy]

Especially from the sounds of it (no pun intended) it didn’t even seem like they were even making much noise to start with? Note it’s never stated the wife complained to them about the noise. But guys clearly crazy , she probably can’t do anything 💀

[@AshleySpeaks4U]

VERY intetesting case, doctor. Apartments are noisy. It's a big problem. New babies are loud and require round the clock care. Some require complete silence for effective study. I do NOT see poisoning SPECIFIC neighbors being a solution-ESPECIALLY when the ONLY solution is the perp renting the unit above him as WELL as his own. It is 100% possible that it was in FACT a neighbor KITTY CORNER to him upstairs! 😢

[@brooks8792]

I once lived on ground floor of an old house with hardwood floors, every footstep, chair scraping seemed loud especially at night. I moved.

[@eladionunez2032]

Dr Grande has some sophisticated humor. Causes me to laugh in a sophisticated way.

[@artemismoon7655]

I went in feeling some sympathy for downstairs neighbors because I have had some terrible ones, usually partying college students who decided to live in housing nowhere near the university and still thought it was ok to hoot and yell and listen to loud dance music at 1am. But it doesn’t sound like they were nightmare neighbors at all. But even if they were, poisoning them is NOT the way to handle it! Such a scary situation for the upstairs neighbors.

[@SquidandCatAdventures]

I also thought that it was going to be a story where he lost his mind as a result of repeated sleep deprivation with a new baby above and believing that the upstairs neighbours were completely inconsiderate (and I've also gotten really angry about neighbour noise repeatedly at 3am that I thought they should have known better) so I was shocked to hear that they had even tried to address the noise complaints in this case. But in his mind, he still believed the neighbour was making the noises, I bet. Maybe some paranoid delusions. Of course, that doesn't make it any better. But I don't know if he just spontaneously decided to attack a family for no reason - I'm guessing what he was complaining about felt real in his head.

[@zamev]

Yes, I'm not excusing his criminal behavior but I've had some awful neighbors too. One would blast his music at 4a during weekdays. I called the police on him a few times and with management until they kicked him out and recently I had an issue with a neighbor smoking pot. The smoke and stink would permeate to my whole unit. I read my contract and called management several times until they sent an email to cease and desist. So far so good. I've been able to breathe fresh air in my unit again. Still, I would never try to do anything criminal against anybody. The extreme thing I thought about doing was to move out but it's scary to move out too with rents being so high everywhere.

[@albertafarmer8638]

I couldn't agree more with you.

[@carenmiller-lazarz229]

I've rented below noisy people, mostly heavy footed. NEVER RENT OR LIVE WHERE ANYONE LIVES ABOVE YOU. CONDOLENCES to the vics.

[@loiskondo8349]

Such a strange man, that poor family with their baby girl! Thank you Dr. Grande for another fascinating video!

[@lilsyevasifuentes7628]

I knew this had to do with the victims being very bad neighborns

[@It-is-me...Melsie]

@@lilsyevasifuentes7628 Did you not listen? They weren't bad neighbours at all. In fact they showed more patience than most would have, and appeared to go to a lot of effort to appease the pscyho.

[@Darrylizer1]

I thought about stink bombing my upstairs LOUD neighbors Stampy and Stompy (both were bartenders with heals on at 3 in the morning on hardwood floors). But what worked was actually talking to them.

[@artphotognh]

Modern affordable apartments are shoddily built, with no sound proofing between floors - so unless the residents are awake & sleeping on the same schedule, expect aggravation. Of course, non-criminals don't try to kill people who annoy them.

[@trialgoddess]

My husband and I lived in a small apartment while we attended law school. We thought the next door neighbor's large cat had unusual "meowing" sounds until we realized she (neighbor) made the sounds while in the throes of passion with the boyfriend du jour (or du/de nuit?).

[@genxx2724]

Good point about the cheap, shoddy construction. I lived in a new building, and could hear the neighbors’ cabinets slamming. They were not slamming them, but the design of the cabinets and the building construction were so bad you needed to deliberately keep hold of the cabinet handles and close the doors quietly in order not to make a lot of noise.

[@IAmAlmightyGod]

Wrong and wrong. This is America. Not that shithole country you fled. All building projects must meet the same building codes. You're going to hear noise in an apartment just like you would in another part of your house. If you don't like hearing other people's noise. Get a private home or build a cabin in the woods.

[@bibsp3556]

I dunno mate, guy was a phd student. Probably wasn't a criminal up until that point

[@rachelgooden9981]

Noise travels in weird ways in apartments. I hear noise to the right of me and I’m an end unit. There’s thing to the right. Sometimes I hear marbles or chairs being dragged and the apartment next to me is Empty.

[@HillbillySith]

Best channel on KZbin! I love Dr Grande!!! Its actually like a security blanket over the chaos of these headlines… so calm, unbiased and FUNNY! Love it so much 🙏🙏🙏💕💕💕💕

[@kellymckay1750]

Believe me, I've had some rude, LOUD neighbors, but I would never try to get them high and then sick simultaneously.

[@anniehills3580]

This guy was way too stressed....he flipped out bcuz he allowed it to become far too important, above his life, his family, his education and future.

[@vicksenful]

Yeah, maybe he focused all his stress on the neighbour (& he was going through the most sressful time of his degree). I'm surprised he was complaining about footsteps & not the crying baby.

[@genxx2724]

His own family probably created noise for the neighbors, too.

[@Starry_Night_Sky7455]

In this case, being too stressed is no excuse for his intentional harmful actions.

[@genxx2724]

@@vicksenful My neighbors had a baby. I never heard it cry, but they woke me up at 2 am every single day. I think they were slamming the drawer of a changing table I imagine was on the other side of my bedroom wall.

[@ippolit23]

Some years ago, I had a similar case with my neighbour below, who complained that I was walking loudly during the daytime (!). One time he came up to me and threatened to beat me up as soon as he woukd no longer be under parole. I had to call the police. Fortunately, he moved out after a few months. Such people are dangerous.

[@psalmsreader7997]

He was torturing that family. They went through hell, and that gave pleasure to the sadist.

[@MsOliviaWestbrook]

The real problem here is the misunderstanding of noise pollution. The cause of the anxiety is not volume, it is proximity. Persistent, unsolicited, noise causes the freeze, fight or flight response. This neurological response is very harmful to health and well-being. Research by the *World Health Organisation* determined that in excess of 200,000 people die each year as a result of noise pollution. _(This research was done decades ago. It is probably reasonable to assume that the figure is much higher now)._

[@SardonicALLY]

This guy will do time if there is any justice. I pity his family, but the real victims here are evident. I hope that this family suffers no long lasting effects from their continuous poisoning.

[@eikoqdupree101]

This may have helped his family. I sure he is hard to live with. Controlling demanding his selfish rules. Maybe if true his wife will have the strength to move on to a better life for herself and children??

[@DarkRyeOrganic_Au]

Prison, then deported straight back to China.

[@paulb1311]

Disgusting behaviour and an insane individual. He should be charged with attempted murder.

[@Big_Tex]

The odd thing is I know darn well Chinese people in their cramped high rise apartments in China suffer far more noise than anything this guy was hearing from his neighbors in Tampa, you’d think he’d be used to it.

[@morticiaheisenberg9679]

I thought the same. Even walking in the streets they are packed in like sardines.

[@HeatherHolt]

Yeah same thoughts here

[@pjnix5618]

Super racist comment.

[@jackiestowe6987]

My thought exactly. He was just looking for a reason to harm this family. Was his thesis about poisoning maybe. They were his case study.

[@foysollee750]

@@pjnix5618 lol "Super racist" How??

[@Vale0x3]

People who have kids shouldn't be allowed in any apartment thats not the first floor. Obviously what this dude did was over the top..lack of sleep can make you crazy.

[@youtubehandle-]

Wow, strange case. Hope there are no long term affects. Thanks Dr. Grande ❤

[@skachor]

Or long term effects! Sorry, couldn't help myself

[@marcellepesek3038]

@@skachorSo many people nowadays misspell words and use incorrect ones. "Affect" and "Effect" have two different meanings, and if someone uses these words incorrectly, misunderstandings can occur. Aren't other people concerned about this?

[@skachor]

@@marcellepesek3038 it's a concern, as well as being civil, trying not to offend people, trying not to be offensive, etc...

[@jenniferwintz2514]

​@@marcellepesek3038I concur. However, I must point out that since there is an unknown substance or substances involved, there is potential to have affects as effects.

[@BauAuslese]

Noise complaints often create complicated situations. Many people react very emotionally and irrationally to noise (real and occasionally imagined). Once people get "hooked" on a particular sound, many find it hard get it out of their minds. They are waiting for the disturbance. Often a lot of research or "testing" is required to get to the heart of the matter as sounds are perceived differently. It may be difficult to detect the source in the first place. Why didn't they swap flats? The Omars on the second floor, the Xus on the third? Without chemicals?

[@RawOlympia]

The most shocking aspect of the case? That this monster of monsters is not on death row, that it is free to continue to terrorize the public.

[@rr5414]

I gate to say it but i hope he slips up and does it again so they would put him in jail or out of the country...

[@MsClaudiaDuran]

A chemist who poisons children and uses his skill to destroy his enemies? Where have I seen that before?

[@Absaalookemensch]

He brings great disgrace to his family and community, and lost all face. The refrigerant used in air conditioners, HFA, is also the propellant used in nebulizers for inhaled medications (as for asthmatics). It's likely the chemical was an aromatic compound, which are also carcinogens.

[@vicksenful]

It's not his family's or his community's fault, I don't see why they should be disgraced.

[@sheilagravely5621]

One word.. Chinese!!

[@Absaalookemensch]

@@sheilagravely5621 Most Chinese people are decent, some are good and some are bad. Just like people of every ethnicity. It's the CCP that is horrible, just like Leftists in this country.

[@luckyduckydaisyflower2344]

Are you saying ac and inhalers are carcinogenic? I'll Google.

[@scottbattaglia8595]

Dude was complaining about a creaking toilet seat in an apartment above......dude was out of his mind.....smh

[@rendezvous777]

If you can hear a toilet seat from another apartment then either you have sonic hearing or the floors are paper thin. That man was dramatic.

[@dianaverano7878]

That guy is a psychopath.

[@AlexisMaria]

Yes! Who is intentionally noisy and slamming things around a toddler everyone wants to sleep …

[@DingDongDaddyFromDumas]

I’m so curious what chemical he used… I don’t know of anything where one little syringe full of liquid would have fumes with such serious health effects. So bizarre. You’d think he’d be pumping a gas into their vents or something

[@mikehubbard1967]

The guy probably has a history of unexplained deaths in his circle of family and friends. Anyone check that out or do I have to do everything?

[@thatisabsolutelykooooge2211]

LOLOLOL @ “or do I have to do everything”

[@blurrylights6344]

You came up with the idea so it's your job now! Lucky dog! 😂

[@nightowl7261]

You can start by sniffing him

[@jtem9313]

Yeah. Hard to believe he made it to the age of 36 without wigging out on anyone, only to try and murder a baby and her parents. Seems more like the crazy stunt someone would "Graduate" to rather than an Entry Level psycho move.

[@Chris-vq5vr]

@@thatisabsolutelykooooge2211😂😂

[@Krystal-vd1ql]

Shoddy construction at it finest! I’ve been in the same situation. Lived in a high end condominium and you could hear everything. It can drive you crazy.

[@Meela234]

I'm glad he was arrested before he got his doctorate.

[@Trizzer89]

Why did they keep hanging around the obviously poisoned apartment?

[@countdebleauchamp]

Not really the point, is it?

[@amywright3124]

That is absolutely horrifying.

[@paulaankrah]

I enjoy your content Dr Grande, your delivery is calm and concise. Thanks for the quips and balanced perspective! You are always fair in your analysis. Thank you!

[@Treesandgrass1030]

To a newborn baby! 😡 A newborn baby! 😡

[@michaelciccone2194]

This video underscores reasons NOT TO MOVE INTO CONDOS, TOWNHOUSES+ DUPLEXES. Walls, floors are very thin, poor construction and racket goes right through into other units.

[@jospenner9503]

It's unfortunate when you're too poor to live in your own house, you'll always be stuck under someone in an apartment.

[@evawasteson1296]

Some people who never lived in an apartmentbilding before but grew up in a one family home get stressed when they hear noises around them from other apartments. No solution but to get used to it or move

[@morwickchesterham3875]

At least he was applying what he learnt... The lesson here: Do not fuk with a chemist...

[@pennyc7064]

We may have more clues to Xuming's personality by his upbringing. Just my opinion but this type of vindictive behaviour is probably not the first time that it has happened.

[@clmBerserker]

Asuming he even was vindictive, its not clear what his motivation was.

[@pennyc7064]

​@@clmBerserkermotive or no motive, it still does not justify poisioning a neighbor. Poisioning a human or an animal for that matter is unacceptable in my books no matter the circumstances.

[@blurrylights6344]

I agree. The whole plan was too well thought out for it to have just hatched. There were likely other times and this is just the first time he was caught! Cheers to the husband for setting up that camera.

[@clmBerserker]

@@pennyc7064 I never said it was justified just that his motivation dosent have to be some form of revenge, could be some controll thing or something else. It dident sound like the family did anything to provoke him, even sounded like they went out of their way to try to appease him.

[@jtem9313]

@@clmBerserker You're joking. Right?

[@theresabullock3241]

This was just pure EVIL. He even has that direct dead look in his eyes.

[@nightowl480]

Can't sleep until I've seen Dr Grandes latest video.

[@jmchez]

More than one New Yorker has had thoughts of killing their noisy neighbors. In fact, the saying, "Waiting for the other shoe to drop", which means after something bad, something just as bad will soon follow. It came from New Yorkers who would go to bed but later that night, the upstairs neighbor would come home late, take off one shoe and mindlessly drop it on the floor. The downstairs neighbor would awake but now they couldn't just go back to sleep because they knew that the upstairs guy was taking his time but would soon drop the other shoe.

[@Knucklehead123]

Strange that the criminal initially was kind about the new infant - seemingly to offset his later intention to poison his neighbors, especially the most sensitive one - the child.

[@reavanante2160]

Premeditated. He wished to be perceived as a gracious and generous person. Then the other stuff happened.

[@genxx2724]

I don’t think so. He probably got irritated, and more and more sleep deprived and angry, when the initial noise of having a new baby in the household didn’t settle down.

[@jonathanmcwilliams3640]

Imagine if Xuming had a toddler for a neighbor or a 6 year old that decided to jump on the bed. He complained of movement, not baby cries. Crying babies are loud, but crawling babies aren't. It would be impossible to please him.

[@justinw1765]

Higher functioning people on the ASPD spectrum will often pretend to be kind, giving, caring, or the like to give a good first impression and to manipulate your perception of them. It is 99.9% of the time an act, not genuine/sincere.

[@Knucklehead123]

@@justinw1765 Interesting! Thank you for that info. My experience of malignant and grandiose narcissists - same story. "Love bombing" until they reveal their true ruses. There's also the "idolize, devalue, discard" process in narcissism - although in this case the "discard" has serious severity.

[@susanross1651]

Noisy neighbours can be very frustrating & affect you mentally, believe me I know. People don’t seem to have off buttons these days & no consideration, & if you need get some sleep to get up early & go to work it’s very frustrating. But you don’t start trying to poison people, if you can’t reason with the noisy neighbours you have to try & move.

[@jeanholmes7976]

What a cruel reaction to a situation and to the family living above. It is unbelievable that someone would think this was an okay way to behave!! Thank you Dr. Grande!! And I wish you a day of rest on Labor Day😇❤from Jean.

[@evilsharkey8954]

I don’t think he had any motive other than chasing the neighbors out because of the noises. He just didn’t think about what would happen afterwards. Maybe he assumed he’d gas out every neighbor until he got a morning person.

[@cindymichel4870]

I doubt that he will find prison to be a quiet place. (Assuming he is convicted.)

[@otterdonnelly9959]

Is the state police or FBI on this? Clearly every strange unexplainable death at his past residences have to be questioned now if he was quick to try and exterminate his neighbors.

[@stephenbarone4053]

Don’t understand why the family didn’t remove the baby from the environment. I get that at first being confused, but after others confirmed the odor, get the baby out of there.

[@khfan4life365]

I have some downstairs neighbors who are loud and annoying as hell, especially the guy. He’s always watching loud movies and talking as loudly as possible. As payback, I step on the creaky parts of my floor and sometimes I “accidentally” drop stuff on the ground. This guy is psychotic.

[@smoklhoe]

Neighbors can be very disrespectful towards their own neighbors. I have the same problem coming from the downstairs and next door ones. The downstairs makes so much noise after 11:30 pm that wakes me up scared. The next door one used to talk so loud till 3-4 am at his balcony that is next to my bed room window which kept me awake at night. The problem has been partially solved besides the downstairs guy. It’s tough to live surrounded by unconsidered people. I wish I could live in a house without anyone around me for miles and miles.

[@medea27]

As someone who is very noise-sensitive I can appreciate how insidious unwanted sounds can be... sometimes it can take a while to pinpoint exactly where it's coming from, and it's not always where you think. Sound will travel through pipes & duct work, down through floor ioists & common walls... and once you've become sensitive to it, any noise can chip away at your mental state & wind up even the most otherwise rational, calm person. That said, the fact that this guy went from buying their child presents to lodging noise complaints & poisoning them within such a short time span suggests that he has far more troubling issues than noise sensitivity. Drug use could also explain hypersensitivity & hallucinations, possibly exacerbating a mental condition. And while he could be reacting to a prescribed medication, perbaps he got the methadone, etc through a dealer he already uses. Regardless, I'm shocked they let this guy out without identifying exactly what he'd exposed the family & emergency services to.

[@simonefeaster5131]

“Not all behavior is as predictable as a chemical reaction@…Dr. G dropping more truth bombs on us. As always, damn well said, sir!

[@suezcontours6653]

Model Minority. LOL

[@pocophone2010]

HE IS FREE NOW ON THE BAIL. CONGRATULATION!!!