[ applause ] -- captions by vitac -- www.vitac.com good evening. i'm anderson cooper. it was a hot summer afternoon in erie, pennsylvania. into a small branch bank steps a man wearing a white t-shirt with what he said was a bomb strapped underneath. he turned out to be a local pizza deliveryman. the bomb turned out to be very real. so real for the first time in the history of the fbi, a bank robbery was elevated to major status. that was only the beginning. the beginning of one of the most bizarre crimes in the annals of the fbi. serious crimes that would unravel into a murder with life and death at stake and a murderer still walking free today. drew griffin has the story. >> the most bizarre bank robbery in the history of the fbi.