E1: D.B. Cooper

Cooper orchestrated one of the most daring hijackings of all time when he successfully held his fellow passengers ransom for $200,000 in 1971, before parachuting to an unknown fate. Though some clues have surfaced over time, no definitive answers exist explaining what happened to Cooper, at least not to the satisfaction of the FBI. What happened to Cooper and how did he seemingly vanish into thin air?