A cellphone video, a single unspent bullet, and a man who admits he was there. The prosecution says these pieces finally reveal the truth behind one of America’s most haunting unsolved murders. But do they prove guilt or just proximity? Dive into the prosecution's case against Richard Allen.

"Bridge Guy" video courtesy of Libby German Snapchat

13th Juror is an Audiochuck production hosted by Brandi Churchwell

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