Bill Swearingen - HAKC THE POLICE - DEF CON 27 Conference

PULL OVER!
No, it is a cardigan, but thanks for noticing! After getting a nasty speeding ticket, OG SecKC HA/KC/ER hevnsnt decided enough was enough, and set out to fully understand police speed measurement devices, and develop homebrew countermeasures that are legal in some states (and some that are not). Come learn how police RF (X, K, KA) and Laser speed detection systems work and how to implement your own homebrew jamming countermeasures on the cheap, essentially making your vehicle invisible to law enforcement. HOP IN and BUCKLE UP, this talk is going to FUEL your hardware hacking desires! You better be able to think fast to keep up with this talk and prepare to get home in record time.
Bill Swearingen
Bill Swearingen (hevnsnt) has been in the hacking scene for decades, which is odd because his twitter profile says he is only 23 years old. Having spent his life dedicated to understanding how how things work, he is has focused this curiosity and knowledge to take advantage of our world in any way possible. His interests have always been focused on hardware hacking and loves releasing easy to replicate projects using cheap computing platforms such as Arduino and RaspberryPi.
Twitter: @hevnsnt

[@lawrencegerads7955]

The fact that his "The FCC won't let us speed" line didn't get a laugh is the most illegal part of this talk.

[@PaulDoc87]

Came here for this. It flew completely under the radar

[@thewhitefalcon8539]

or let me be me so let me see... they tried to shut me down on MTV, but it feels so empty without me.

[@playfulcyanide]

I’m glad he didn’t stop for it, walking a fine line between dry and cringe.

[@turkeyphant]

Don't get it?

[@lawrencegerads7955]

@@turkeyphant he was referencing a line from a pretty well-known song by Eminem.

[@factorone]

As someone who used to install police radar, LIDAR, MIRT, and LPR systems (among other things), I can tell you that they're amazingly easy to manipulate, and super vulnerable to all sorts of exploitation. This talk was hilarious, and just confirmation of a lot of stuff I learned working in a cop shop for 3 years.

[@factorone]

@@observe_and_purport I'm not sure I'd have the CV or credentials to be considered an expert witness, but if a defense attorney is desperate enough, I could easily get manufacturer documentation and speak authoritatively enough to try and appear credible. Them the prosecutor would likely cross-examine me and tear me to shreds. ;P

[@asdfssdfghgdfy5940]

⁠​⁠​⁠@@factorone out of interest if you were to exploit or manipulate these devices, would this throw a red flag up that people can see? Aka either manually operated speed guns or the ones they leave parked on the side of the road. I haven't watched the whole video yet so it may be answered.

[@factorone]

@@asdfssdfghgdfy5940 The speed signs aren't usually for enforcement so much as for a cheap deterrent (which is arguably enforcement, but whatever, semantics and stuff), but those are easily manipulated if not secured. As for actual radar and LIDAR guns, the average lay person isn't gonna know what to look for when there's an exploit or manipulation of the devices going on unless they know what to look for up front, but a few minutes of messing around for interested parties is usually all it takes to figure out how they work. They're pretty rudimentary devices.

[@4lfie-]

what do MIRT and LPR stand for?

[@asdfssdfghgdfy5940]

LPR is licence plate recognition and MIRT is Mobile infrared transmitter. The things ambulances etc use to change lights to green.

[@PhoneLosersofAmerica]

My cat watched this video and now she's jamming my laser pointer. Has totally ruined my fun. Thanks a lot, Bill.

[@Bcr3106]

The temerity of that cat

[@hakology]

[@lseul8812]

Funny seeing you here, when are you going to finally give a talk yourself?!

[@Bcr3106]

@@lseul8812 he should give one on social engineering.

[@RodCornholio]

Hey...you from the original PLA from back in the day (1990's)? Man, those were good times.

[@un4v41l48l3]

I know what's going on in VA. Anyone that travels during the holidays can tell you that entire state is funded by moving violations.

[@kde5fan737]

Has been for 40+ years. Used to drive 95 and it was the only state to worry about out of 7-8 states - and traffic was always terrible in that state compared to the rest.

[@moth.monster]

@Derek Placeholder Gotta pay for em somehow, since taxes aint high enough to pay for it in the US.

[@slappy8941]

I drive all over the country, and the Southeastern states are the worst of all about highway robbery. There are some states where you'll hardly ever see a cop, but from Virginia all the way down to Texas, it's nothing but speed traps.

[@brandonmay8096]

Anyone drove Highway 58? Those counties and towns rely heavily on traffic citation income.

[@dco5055]

I heard of rumors Virginia police even consider Waze app a radar detector and wrote tickets for people using it as it alerts to their speed traps. I live in FL it is amazing how many people you see with Virginia tags doing the speed limit on the interstate either left or middle Lane while everyone else is swerving around the person from Virginia. The best part when police officer going with the flow of traffic 15+ over "blow" their doors off along with everyone else. I been through Virginia it's just a big speed trap it's not about safety.

[@B3Band]

Closed captions are savage. Every stutter and fumbled word is represented perfectly.

[@ereek5]

would've been perfect if they added "quiet" or "minimal" to describe the [laughter] for his jokes that didn't go over well.

[@dakotawilliams2152]

Thank you for this, 31:39 is perfect.

[@OMGmyFACE]

I'm so glad you pointed that out. It's comedy gold.

[@GordonAitchJay]

I'm thoroughly impressed! So it was transcribed by a human for/by DEF CON?

[@batlin]

um, uh yeah.

[@anon2234]

Finally my background in radar pays off with me understanding all of the fundamental principles of a single defcon video

[@bensons999]

My background in bartending had nothing to do with me also understanding all of the fundamental principles of this defcon video.

[@GhostkillerPlaysMC]

@@bensons999 congrats kid genius

[@100videosandnosubscribers3]

Background in being a background helped me understand every fundamental background in a single defcon video

[@jasonszymarek8406]

Welcome my dude. . so many talks to listen too then.

[@jasonszymarek8406]

@@bensons999 motted

[@unclejeezy674]

Speed detection devices have digital signal processors. God tier hack sends back a set of encoded commands that compromise the devices. They have a speaker for beeping, so maybe have it play careless whisper

[@H33t3Speaks]

I'd prefer Eye in the Sky by The Alan Parsons Project.

[@Knallteute]

Eye of the tiger would be pretty ironic.

[@kollchris91]

fuck the police would be funny

[@JohnDoe-nq4du]

Ridin' by Chamillionaire would be perfect for this.

[@CountryConcertsVIP]

Toto’s Africa

[@notafanboy250]

"And that return measures...? Does anyone remember?" "BOOZE!" lmao that crowd...

[@thecheshirecat5564]

Hacking with physics --this has got to be my favourite DEFCon talk yet.

[@therobb5738]

Before my radar got stolen, I used to joke that it was an ATM finder, seemed to go off every time i was near an ATM. Didnt realize it was the auto door frequency till now.

[@AlecArmbruster]

“Before my radar got stolen” is how every radar detector story begins

[@Gregory_12]

how does this have anything to do with DEFCON?

[@andrew_koala2974]

What do you mean by 'got stolen' ? You obviously have no idea what GOT means. You are not fluent in the English language. read more books to educate yourself, if that is even possible to teach the unteachable.

[@baitroyale6070]

Andrew_koala Go spread the toxic somewhere else. Man this comment put me in a bad mood real quick.

[@JB-dm6zt]

@@andrew_koala2974 You're a fucking idiot and an asshole lmfao.

[@jasondads9509]

This is going to mess with some self driving cars, isn’t it

[@julienjjj]

ahah oh well

[@johnhoo6707]

I'd imagine if a self-driving car were to use solely a LIDAR sensor system to navigate, yes. But most automakers are considering a multiple-redundancy type system anyway. e.g., the LIDAR sensors need to agree with the sonar which needs to agree with the optical, etc.

[@moth.monster]

@@johnhoo6707 Only if it was well designed. And if we're not lucky, companies are going to cut corners. Just look at all the problems with autopilot in Teslas. (Musk is more of a Thomas Edison type, stealing inventions and pretending to be a great visionary, when in reality he's just a rich investor.)

[@Cdrsan]

I think most self driving cars use Lidar/Ultrasonic sensors, but I've heard a few that use radar as well. Most use multiple types of sensors for redundancy and accuracy tho

[@PatrickReames]

no wonder elon says lidar based cars are dooomed.

[@deeznuts1358]

This mans heart is beating out of his chest from being nervous, who’s wouldn’t be though. Hella cool, smart ass guy

[@Optable]

The understandability pre-shot versus post-shot is enormous. You'd think the booze would calm those nerves a bit eh. Props to a great talk, I think he struggles with the same that I do, the mind moving twice as fast as the mouth, and trying to calibrate the two, yet nobody could understand that speed if they were, so we're simultaneously trying to keep the two in sync, while also slowing down our speech rate

[@khouari1]

Didn't seem nervous to me. Awesome talk.

[@Look_What_I_Did]

@@Optable Reported. Misinformation.

[@skatatataatje]

So the FCC won't let me be, or let me be me, so let me see... I got that :)

[@JM-ef2kg]

Fukk Tha Police and whoever fuckin wit em.. I'm whiteboy n do ish my way..

[@notronburgundy4873]

J M did they cath the brain aneurysm in time?

[@Coolguy8623]

itsa eminem quote mashall mathers show LP I Love It !!! Genius

[@supraondueces]

Knees weak palms are sweaty.

[@TheTManShow]

Ok Eminem wannabe

[@andrewwright.]

In the UK a guy did it with a 3rd party reverse sensor kit, modded signal blocks out radar, took to court and the guy lost. Police recognised the car after a while and clicked something was up putting an error on the screen every time it drive past.

[@andrewwright.]

@Arpad Toth ?

[@iPsychlops]

I'm so glad that defcon is on KZbin now. I've wanted to go since I was a child.

[@steelbluesleepR]

*Ed Bolean and Alex Roy have entered the chat.

[@ThePurplePupUwU]

Alex Choi you mean?

[@steelbluesleepR]

@@ThePurplePupUwU no, absolutely not.

[@hollysigmund5012]

Hello ed boo lean

[@Mossmyr]

The Hacker Manifest: Don't judge people by how they look.

[@Stopinvadingmyhardware]

Unless it’s in good fun

[@DJChesley]

What a phenomenal talk! you, good sir, are the shining example of what makes this community so amazing!

[@jasonszymarek8406]

100 percent . I try to show everyone I meet this video ... Seriously

[@Gunbudder]

the really interesting thing is the legality of intentionally reducing the radar cross section of your car. it may or may not be illegal to skin your car such that it has little or no radar cross section. most jammer laws focus on the jammer itself, and reducing your cross section is completely passive and requires no jammer at all

[@qtluna7917]

26:12 Random Eminem Reference

[@icyuranus404]

there should have been way more laughs

[@JRMassie]

Not-so-random, but perfect.

[@marcdegasperi6762]

noticed it immediately

[@Shadownrun2]

was looking for this comment before

[@Act1v1st]

yes! not the only one :D laughed so hard here

[@VerityFraser]

"You should seriously consider talking to the media about federal offenses." - only applies if you're not wealthy and/ or in politics, apparently.

[@thatgeezeruk]

If a human made it...a human can break it! Great talk :)

[@Roxor128]

That raises the question of what if you you have an evolutionary algorithm design something?

[@dco5055]

I heard of rumors Virginia police even consider Waze app a radar detector and wrote tickets for people using it as it alerts to their speed traps. I live in FL it is amazing how many people you see with Virginia tags doing the speed limit on the interstate either left or middle Lane while everyone else is swerving around the person from Virginia. The best part when police officer going with the flow of traffic 15+ over "blow" their doors off along with everyone else. I been through Virginia it's just a big speed trap.

[@anon2234]

Yo if you think that's crazy check out the precedent that two Virginia cops set for sniffing out marijuana using superhuman smell on the highway.

[@product_of_august]

This is so true hated being in the DMV

[@isettech]

For laser, wouldn't a relatively high power LED array with a pseudo random generator producing high levels of white noise bury the signal. It would be like trying to listen to you clapping hands outside the airport terminal from across the street and listening for the echo while a jet is taking off. With daytime running lights, this would mask the fact there is a perimeter of bright IR LEDs by the headlights. A passive Doppler speed radar is a radar horn with a tuned stub in the feedhorn that is tuned into and out of resonance with a varactor which modulates the radar signal return. This is not a transmitter, but a tuned retro reflector with a modulator. A variation I have seen had the antenna and feedhorn modified from a C band dish with the antenna polarization motorized by a small high speed motor. This works on the X band. Goal is to set the speed to display triple digits in a car that is not going anywhere that fast. Works well to wake up the officer behind the billboard reading a paper waiting for the money bell to go off. Never run it without being in a stream of traffic. Makes identification of the signal very difficult. Passive detectors will not see it as it is not a transmitter. It is tuned so it's retro reflection is much stronger than headlights. Selectively and rapidly changing polarization modulated the polarized radar signal 100%. Used to play with this in the late 1970's before it was illegal. Cruise control is very effective in highly enforced zones using excessive enforcement for revenue and is legal.

[@excitedbox5705]

Just shine a constant 904nm ir array in all directions. If there is no off time there is no longer a pulse and therefore no way to measure. LEDs last 50k hours so who cares about it being on 100% of the time.

[@ttrainor70]

That's how the first gen lidar jammers worked. they were NOT eye safe and apparently you could feel the heat with your hands more than a foot away from the laser diode. Newer lidar guns will detect this type of jamming and alert the operator.

[@CamStLouis]

Won't your car light up like christmas on the cop's dashcam though? Camera sensors have a wider range of wavelengths they display as visible light, hence the clever "anti-paparazzi lights" or now "anti-facial-recognition" lights.

[@isettech]

@@CamStLouis Cameras have a limited range of shutter speed. The lights that are modulated are outside the flicker detection of the imaging camera sensors. The "Christmas light" display is masked as part of the normal headlights, tail lights, plate lights of the car. The reflectors on the car modulate the reflected laser with high level noise. Yes, your light on the subject is masked by the light produced by the subject. Laser has filters to select it's wavelength and ignore outside wavelengths. We just happen to prefer to emit additional light in that band that is high in noise level near the pulse timing of the laser.

[@CamStLouis]

@@isettech To clarify, I'm referring not to the effectiveness of the jamming but the likelihood of detection. Let's say it's a bright sunny day, the cop has headlights off and since light is coming from everywhere the retroreflective beads on the license plate are not making it look illuminated. Wouldn't the IR emission be visible on the cop's dashcam like a TV remote control shows up on a home camera? Or is it far enough into the infrared spectrum that it doesn't appear?

[@daviddickey9832]

"How is this guy going 88 mph on his bicycle?" Trololol

[@dillonv5345]

161

[@ITILII]

Once we hit 88 mph, you're gonna see some serious...stuff ! ,

[@user-60267]

"Well, I'm out of jail. Fines are paid. So let's do this again." :D

[@youngkappa3562]

Hahaha

[@lyfandeth]

You missed one big legal issue. Using a laser may be unregulated, but using it for the express purpose of "interfering with a police offer" can be a felony offense. If the cop knows what jamming looks like, all they have to do is pull you over, observe the jamming gear, and CONFISCATE THE EVIDENCE, which is your car. That's something to at least be aware of.

[@safaraska7152]

He has shown that, the best way to learn to brake a thing is by learning how its working

[@CrippledMerc]

I’d like to see Ed Bolian, or Arne Toman and Doug Tabbutt give a talk at one of these kinds of conferences about his Cannonball run because they went nuts for countermeasures like this. He has a youtube channel called VINWiki where he’s talked about it if anyone is interested. And actually his record was just broken by another team and they released videos on VINWiki going over the setup they had in their car for police countermeasures. They used laser jammers, thermal scope, brake light kill switch, along with modifying the rear end of the car with vinyl wrap to make it look like a different kind of car from the rear. They made it across the US in 27 hours and 25 minutes with an average speed of over 100mph. That includes fuel stops and everything, and they did it without getting stopped by the police even once, despite going nearly 200mph at some points. They aren’t huge techies or anything, they’re just car guys who like to do crazy shit like drive from coast to coast in a ridiculously low amount of time. I think the hacker community would be able to understand and relate. Ed and his team previously held the record, and Arne and Doug along with their 3rd just broke the record. Both are excellent stories though.

[@detaart]

You can use a transverter or simple mixer circuit to bring up the frequency of the SDR's output.

[@rougenaxela]

One takeaway I'm getting from this is someone who really wanted to make a laser speed finder robust against attack, really ought to not be using pulses at all, and ought to modulate the laser with spread-spectrum modulation, using a secure random bitstream. Make it more like spread spectrum radar but in the visible band. Of course, that's more expensive to do...

[@4lfie-]

interesting. what's your technical background?

[@SnownelVEVO]

Speeding tickets are for revenue generation, not safety. If the government were seriously concerned about speeding, there are better ways to combat it than giving a tiny fraction of a percent of speeders tickets. So at the end of the day, they can always wait 5 more seconds and pick up the next guy - why spend a bunch of money on a complex solution when a laser with a 555 timer does the job.

[@MStrickkk]

"the fcc wont let us speed, or let me be me, so lets see" I did what you see there.

[@mu7095]

Awesome talk....thank-you!

[@Ashok-wc9be]

This guy is absolute bonkers! Damn, what a talk! Thanks for the upload (sorry 'bout the necrobump).

[@NeverGiveUpYo]

Fantastic speech Bill!

[@ThriftStoreHacker]

Wow, Great talk.

[@Hannah_Em]

"RADAR works by measuring the doppler shift of sound waves" *cringes hard in physicist* although then immediately bringing up a diagram from hyperphysics (praise be) does slightly redeem it IMHO

[@stealthop]

gonna build and use all those things . thanks bill

[@thatmeme1360]

I just learned my local sheriffs are using K Band by this vid.

[@tellmewhenitsover]

why did youtube recommend this to me? Does youtube want me to speed?

[@quoththeraven5631]

yes

[@ebolapie]

nope, youtube just wants you to watch more videos preferably ads

[@davidc1961utube]

Anyone can speed, YT wants you to get away with it. Except in VA.

[@Belofsky1]

Thanks for putting my MIRT in the slides ;)

[@Kholaslittlespot1]

Gj

[@youngkappa3562]

Interesting

[@321CatboxWA]

Thank you

[@hakology]

[@johnhoo6707]

Ya know, what if we built a system similar to Waze, where we use optical image recognition to detect the location of police vehicles. Or if Waze is up for it, integrate it directly into Waze, essentially automating the reporting of police presence?

[@moth.monster]

Waze is Google-owned garbage thouhgh.

[@dco5055]

Police have already complained about Waze being able to "stalk" them. They asked countless times for Google to remove the police feature and of course Virginia was the biggest one complaining. I think the way Virginia combats it they switch locations on a more frequent basis so it's hard to tell new and old police reports. I used Waze when it first came out in Beta. Google will be releasing on Google map apps they already now have accidents and broken down vehicles. Last I checked police reporting would be added. The police are pissed now since both apps share reports. So now we will have a lot more people using the report police.

[@Chris-cv1ll]

eri Waze hasn’t changed since google bought it...google owns waze but all the original staff work there still....also this feature of waze to report police is a good thing as they shouldn’t be sitting in one place for such a long time

[@rastanot]

@@dco5055 Crowd reporting Police traps is implemented in Google Maps for Android now and functions the same as Waze. Police should feel slighted: it's shady business when they're fund-raising.

[@chooseymomschoose]

It'd be really crazy if cops encrypted their radios, which are only allowed to broadcast specific frequencies, constantly transmitting a handy public key to uniquely identify themselves... Wait.

[@matthewfilmer1456]

24:05 This isn't considering the Doppler shift of the transmitted radar signal. It won't look like you are going 65, it will look like you are going 65 + your actual speed, or 65 - your actual speed, depending on if they hit you from the front or back.

[@dozi3r]

The algorithm loves this talk. Ive downvoted it hoping to stop it from autoplaying but here it is again

[@RD-BRAUNSIN]

Why is that? I haven't watched it yet I'm about to maybe I'll know by the end while you don't want anybody to see it. There are two things I find confusing. One cops only ride one to a car because when they ride two they turn into gang activity and they're more violent towards the people they pull over things tend to escalate it's a more violent situation when there's two instead of one. Isn't that strange. It is also strange that most of them were child molesters or pedophiles. Just think that's strange

[@jennifer86010]

This guy was on crystal meth. He used over a million words to say only three things: I used to jam traffic control lights so I could drive through green lights only. 2. I'm a speed freak and I jam radar when driving. 3. I have a device to jam laser radar.

[@tomwhitty2850]

Radio Direction and Ranging

[@djtecthreat]

I like this dude.

[@firedavin]

I’m a retired firefighter. The small town I used to work in the police radar will actually pick up the radiator fan speed in the patrol car. They would have to distinguish between the car speeding or the radiator fan.

[@thedog4499]

Wonder how many people got a ticket for something they did not do.

[@ChucksSEADnDEAD]

Just like aircraft can detect helicopters hovering above the ground by detecting the speed of the rotors.

Uhm,....no.

[@Litepaw]

I just drove to a police speed camera van like 4 days ago, (yeah they have those here, they can't even be arsed to do their jobs in a country with speed tickets that increase the more one earns), and now i see this. Interesting..

[@andrew_koala2974]

The Criminals in Government have to pay off their Debt + Interest to the International Banker Scammers, as inflation destroys the value, the Po lice [blood sucking insects] and Courts uphold the Bankruptcy of the Country and the Police are there to commit Highway robbery, endorsed and supported by the Courts who play games with the people. That is what Courts are for.

[@racebends]

I found 2 police radar guns at a mine so I gave them to a baseball coach I knew for his pitchers, wish I seen this first.

[@Nalianna]

@26:20 did they try to shut you down, on the MTV?

[@Carter-dv4hz]

Cost of the hardware: 700$ Cost of the engineering degree: 20,000$ Cost of the fine: 3000$ Cost of driving the speed-limit: Priceless

[@Stopinvadingmyhardware]

He probably had better fuel mileage too.

[@kentketchum]

My degree was 43000

[@Rainlover1984]

In the USA, Ka band is the band most used by police at around 34.7 MHz and Kustom signals xmits at around 35.5 MHz and are all digital Guns now. Good luck being able to jam all band of radar..

[@sketch2620]

what effect would running 2 notchagocha's have? especially if running at slightly different timing...

[@prussian7]

I'm having flashbacks to 25 years ago when was into this sort of exploring.

[@davidlinder9841]

sweet, i didnt know a lot of this tech existed, appreciate you

[@hannahcrawford9198]

Question... wouldn't just responding with a continuous beam for the laser overpower even the devices that employ countermeasures? or can they still detect the slight amplitude changes?

[@randykitchleburger2780]

I was thinking the same. Probably exactly why you said

[@Kyle-pz7os]

What is the calculation to determine what frequency correlates to any given speed?

[@TorrentFiend10]

Was that green light device the one I saw on the FTS or From the Shadows vidcast like 20 years ago? Anyone else remember this forgotten show?

[@user-iu3ii8sq6t]

30:02 lmao I love his presenting style, it's so fun

[@khall187]

Starts at 10:44

[@DanknDerpyGamer]

-97,420,118MPH … oh dear, imagine how confused ANYONE would be if they saw that pop up on their radar gun... 😂

[@rikardnorlen752]

Interesting! But would not the producer use frequency hopping on radars and randomize the laser intervals on the laser-gun? Then only the radar or laser gun would know valid frequency/interval and these countermeasures would not work. Or am i wrong? ps:I will probably not measure the speed of those who speed outside my kids kindergarten but correct them with the fist to face solution (or kick to car).

[@sooocheesy]

This guy's talk was about 10x longer than it needed to be.

[@ayeyefookinw0tm859]

Brian no shit.... it’s a technical look.

[@SnownelVEVO]

It wasn't really technical - he didn't even cover basic concepts like the cosine effect. The most technical aspect of the whole first half of the talk was "here's the frequencies that confuse the most common radars, btw don't use them!" I was expecting something a little deeper than basically explaining what a commercially available laser jammer does, especially after talking a big game about how he could get arrested... come on, lmao Not to mention the talk is factually inaccurate at some points - he didn't consider the Doppler shift of blasting those frequencies from a moving car as opposed to a stationary one, and Ka band is easily more popular than K these days. Though maybe not out in the sticks outside KC...

[@littledipper9702]

Is Brian Redban playing the sound effects on this podcast?

[@aureliusva]

That first one is just a box. Orange or chrome or whatever color. You could download the plans when the net was running on dial up.

[@FiveWhiskers]

Love the use of English cars on some slides :P

[@tecsmith_info]

What a legend

[@demilishing]

I don't know how but I swear to God my radar/laser detector saved me when I got the laser indicator and I hit the brakes and pulled into the right lane and the guy following me got the ticket.

[@djisydneyaustralia]

I was thinking along these lines a few years ago but didnt think it would be this easy. I thought the laser had a higher ID frequency like military lasers do as a way to get through jamming attempts.

[@J.C...]

I got hit with my first military laser in 1999 or 2000 on the local AFB when I was delivering pizza. First and only time it ever went off for laser. Yes it was the military police about 1/4 mile behind me. It wasnt long after that when the US military clamped down on who was allowed on military bases because of 9/11. Luckily we have a lot of military people who deliver pizza, or we did back then, so they were the ones who always went on base to deliver after that.

[@thatjokerperson7062]

flash light at cop: Legal flash light at light: Illegal

[@Baychimo]

Cut people with a knife in a specific room: legal Cut other objects in that room with a knife: illegal Things have got to change! People who vote for the R-word use this exact logic.

[@thatjokerperson7062]

​@@Baychimo but theres no difference between flashing a light at a device meant for flashing light at and flashing a light at a device meant for flashing light at

[@Baychimo]

​@@thatjokerperson7062 I'm not entirely sure what you're trying to get at, since you switched A to B, but of course there can be a lot of differences. Opening a lock with a key and opening another lock with a key can produce very different results, right? The action itself can produce varied results.

[@thatjokerperson7062]

@@Baychimo well no you just used a key to open a door

[@Baychimo]

@@thatjokerperson7062 Is it the correct key? Is the mechanism same? Am I allowed to open the lock? If I'm allowed, am I supposed to open it? Am I allowed to have the key? If I'm allowed, am I supposed to use the key? What can opening the lock impact? etc etc. Should be pretty easy for anyone to understand.

[@ZzedZed]

bills error, explained. Radar doesnt 'reflect' back from trees, it is mainly absorbed by them. dry/dead trees are somewhat invisable to radar. wet trees absorb.

[@Nate-wu8rr]

They have a BANGER for us guys! So SMASH that like button!

[@d420guy9]

26:13 is defiantly a Eminem quote lol Great Talk!

[@8180634]

19:20 - ish.. is the device passive, blindly sending a fixed frequency? If yes, have the radar gun makers started coming out with devices that randomly hop frequencies to counter this? Or maybe they don't see this as a widespread enough issue (yet?) to give any serious attention to. Edit: 25:15 is surely why this wont' become a widespread practice!

[@Shocker99]

I'm surprised they don't use pulse encoding techniques. Also, what would happen if just a continuous pulse train of RF/laser was sent back to the detector - i assume this would reduce the signal-to-noise ratio below the threshold required to pick out the reflected pulse?

[@Knallteute]

Psssst don't tell em

[@dco5055]

Well the laser is weak so encoding a signal a dirty headlight could make it lose "packets". The jammers could mimic the encode signal as it stays the same when it gets reflected back. Kinda like the pulse length it can be detected and replicated already.

[@patrickbeart7091]

Yeah on the one hand it might allow them to ensure integrity of their readings but you can always claim they just have a faulty speed gun anyway

[@Glenners]

Wouldn't the formula need to account for your actual speed since you'll be doppler shifting the signals you're sending?

[@flyoverkid55]

Wow. Can't imagine why this was recommended to me. A great deal of rambling about how self important this guy and those like him are.

[@hwhw4414]

When we were kids , we would take all the powder out of fire works and mix them. All together in one big firework and the goal was to make the homemade fire work so bright the street light would turn off. Hecknyea it worked. Alot 😅

[@saltyroe3179]

Northrop makes a jammer that looks like a dome with random facets on it. It spins at various speeds. It reflects light and radar and confuses both

[@ninja5672]

I don't think that would technically be a jammer.

[@saltyroe3179]

@@ninja5672 Passive jammer. No transmission, but it confuses enemy system like chaff

[@Arai503]

2019: Hakc the Police! 2020: Defund the Police!

[@LoveFactorySweatShop]

2021: Vaccinate the Dirty Cops!

[@westvirginiaglutenfreepepp7006]

I only watched this video for the Eminem reference, Mr. FBI agent

[@Bcr3106]

I was waiting to see my channel!

[@excitedbox5705]

For the laser jammer just send out a constant return. If there is no off to the pulse there is nothing to measure.

[@MSK_MKT]

28:15 Miata is always the answer :)

[@mightycoldham7897]

I thought the laser beam has been encoded so the gun can determine its own signal from BG noise and countermeasures?

[@spreadlove7656]

31:00 Virginia is headquarters of CIA

[@LaurieCawthorn]

@xOr no surprise, backyard to DC as its residential area

[@hiramabifffromsirius146]

"Chakotay informs her that the missile was programmed to adapt to all known weapon types, including Starfleet's, but Janeway is optimistic that Voyager's type 6 photon torpedos, which weren't in service yet when Dreadnought was launched, might just get through."

[@professorpennies]

im a young teenager that wants to pursue the career of a hacker and coder, I have dreamed about going to defcon because i cannot find and other people like me where i live. its a massive bummer that defcons age minimum is but i am working on a hack called hack X and im excited to show it to def con when im older

[@DarwinS27]

#Legend

[@miata350]

Shout out to KC

[@k1ortia]

its one thing living in a society with laws, but when laws are created to oppress us, keep us under check , make sure we,re not having to much fun. Thats when things change.....big time

[@kentketchum]

kzbin.info/door/0bTll6V9gJV4Bkt8H7yd1A

[@jonjimihendrix]

Virginia is where all the people who designed these systems live and work. They’ve been beating this shit for 40 years, and if you’ve ever driven the beltway you know it’s white-knuckle even at the limit (which you never reach). Hence, speed detectors have been illegal in VA for as long as I can remember.

[@Gglsucksbigballz]

Any one know how the Notchagotcha compares to the Blinder (which I definitely do not own)

[@RobertD_83]

This man is an American hero

[@databang]

(2:05) skipCircleJerk&Go-direct-to-Swearingen->

[@probablyaparent]

Good to publish, tests fine.

[@jhh-jiynks6568]

Ahhaahha. I love this guy. Too funny. Awesome presenter

[@monkeibusiness]

Question: How do you precisely target the gun with your own laser? You'd have to know where exactly the gun is positioned, right?

[@vink6163]

They're not using a laser to generate the fake return signal, they're using infra-red LEDs, because the amount of light that makes it back to the gun is so small that LEDs do the job just fine and don't need to be aimed, they just "flood" the area with the (very faint) fake return signal.

[@monkeibusiness]

Aaaahhhh thank you.