In 1971 a man calling himself D.B. Cooper hijacked a commercial airliner demanded two hundred thousand dollars and vanished after jumping into the night sky. Cold Case Files D.B. Cooper reconstructs the only unsolved skyjacking in aviation history using declassified FBI files forensic evidence and decades of investigation. Who was D.B. Cooper and did he survive the jump This gripping true crime mystery pulls readers inside one of the most famous disappearances ever recorded and reveals why the case still haunts investigators more than fifty years later.