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 ...

The mystery man known as D.B. Cooper sent a letter to newspapers after he parachuted from a plane in 1971 with $200,000 in ransom money. The letter was among newly released documents about the ...