History's Greatest Mysteries - Season 4 Episode 14 -
Who is D.B. Cooper?
It's the only unsolved air piracy case in history; in 1971, a man hijacks a Northwest Orient Airlines flight, demanding four parachutes and $200,000; he jumps out of the plane with the money and is never seen again.
Please explain the problem in a few words.
Max 255 characters.
Max 255 characters.