1971年DB庫柏挾持並威脅要炸毀一架飛機，目的是為了要跟他的主人勒索金錢，後來他從727客機上面利用降落傘跳了下來，到底他是何方神聖，一直以來又躲在哪裡呢？
In 1971, D.B. Cooper hijacked and threatened to blow up an airliner, extorting money from its owner. He then parachuted from the airborne 727. Who is D.B. Cooper and where has he been hiding?
