In 1971, a man known as DB Cooper hijacked and threatened to blow up an airliner, extorting $200,000 from its owner, Northwest Orient. He then parachuted from the airborne 727 with 21 pounds of $20 bills strapped to his torso. Evading one of the most extensive and expensive American manhunts of the 20th century, DB Cooper was never seen again, dead or alive. The crime was ...