d.b.?" did he die? more importantly, who is d-b cooper? "cooper the name of course given by the man who carried out the only unsolved hijacking in american history." the story begins on november 24, 1971 as i reported for authorith here thinking the hijacker may have jumped off at the end of the runway as the plane touched down. but, the problem is more complex. a daring parachute escape from a flyi 727 somewher and seattle, washington." a massive manhunt brought no trace of cooper. he'd a massive manhunt brought no trace of cooper. he'd seemingly just vanished. then, with each passing year, the mystery and legend of d-b cooper just kept g"there's beens but there's one d.b. cooper" "a guy who jumps out of a plane with a parachute and completely disappears." "and then apparently writes letters telling everybody thank think you're great. and this think you're great. and this just blows everyone's minds. he's a fo just blows everyone's minds. it would be 1980 before any trace of cooper showed up that's when a boy named brian ingram found a st