On November 24, 1971, a man using the alias Dan Cooper boarded Northwest Orient Airlines Flight 305 with a briefcase full of explosives to hijack the plane and extorted the airline for $200,000 in ransom. After receiving his cash, the mysterious man parachuted over southwestern Washington and was never seen again. After over 50 years, the skyjacker known as D.B. Cooper remains unknown and one of the biggest mysteries in American history. This Netflix documentary explores the theories behind his identity. D.B. Cooper: Where Are You?! will premiere on Netflix on July 13, 2022.