D. B. Cooper’s Treehouse

In 1971, an unidentified man known only as “D. B. Cooper” hijacked a Boeing 727 then parachuted out of the back of the plane never to be heard from again. Who is he? Where did he go? Many have searched but you, the newest FBI agents on the case, are closer than anyone else. Your leads have brought you to this bizarre treehouse over 40 years after the initial crime. Can you solve this mystery that began in 1971?