. . . . . . . "\"In 1971, a man calling himself Dan Cooper hijacked a jetliner, demanded $200,000 in cash and four parachutes, and bailed out somewhere over Oregon, never to be seen again. He became a folk hero to hippies, survivalists, libertarians, and anarchists, who admired the man who had, apparently, beat the system. However, his jump, in brutally cold weather and in the midst of a major storm, left one question unanswered: where was he?\"--Cover p. [4]."@en . . . . . . "D. B. Cooper case exposed : J. Edgar Hoover cover up?"@en . . "Case studies"@en . .