Investigator claims to know location of stolen art from 27-year-old heist

Boston's Isabella Stewart Gardner Museum has doubled its reward to $10 million to help solve the biggest art heist in history. Thieves made off with 13 masterpieces 27 years ago, and the stolen artwork is valued at around half-a-billion dollars. Seth Doane spoke to the art investigator who claims he knows where the art is today.
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