Who was DB Cooper, and what happened to the hijacker who vanished without a trace? This book investigates the case of DB Cooper, the pseudonym used by the man who hijacked a commercial airplane in 1971, extorted $200,000 in ransom, and parachuted out of the plane, disappearing into the night. The narrative covers the details of the hijacking, the FBI’s investigation, and the theories about Cooper’s identity and fate. By reviewing FBI files, witness reports, and evidence, the book explores the many theories surrounding Cooper’s disappearance, including the possibility that he survived the jump or died during the attempt. The book examines how DB Cooper became a part of American folklore and why the case remains one of the most intriguing unsolved mysteries in criminal history.