Find out what really happened when a strange man hijacked an airplane in 1971 and then parachuted out of it, never to be seen again. What is the truth behind the mystery of the man who came to be known as D. B. Cooper? On November 24, 1971, an unidentified man hijacked an airplane that was flying from Portland, Oregon, to Seattle, Washington. He demanded $200,000 and told a flight attendant that he had weapons. After stopping in Seattle,...