the house, so bill rothstein was left with two of the most important things to hold over marjorie diehl armstrong. number one, all her money and number two, a dead body that would make her lose her liberty the rest of her life. >> even though marjorie diehl-armstrong that been talking with police, it took the fbi nearly four more years before it could tie up all the loose ends. everybody, the fbi said, was involved with the robbery. bill rothstein, marjorie diehl-armstrong. even another suspect, a crack dealer named kenneth barnes. barnes claimed brian wells was in on the plot from the beginning and that he was duped. >> wells was essentially told he would be robbing the bank but the device being put around his neck would be fake so he would not be putting himself in harm's way. as it turns out he was double crossed. >> criminologist, jim fisher, believes it was rothstein who wanted to pull off the perfect i do bol -- diabolical crime that would baffle investigators. the scavenger hunt would send them to a dead-end. the confusing yet meticulously collar bomb, even the white t-shirt brian wells wo