FBI composite sketches of the man who leapt from ... A reporter who misheard the alias given for the man’s ticket dubbed him DB Cooper – which is the name most associated with the puzzle.

The FBI’s release of 472 new pages from its D.B. Cooper file gives insight into the frantic search for the “UNSUB” in the days, months, and years after the November 24, 1971, skyjacking of a ...