The man we know as D.B. Cooper has not been seen since he jumped out of an airplane in 1971. Or has he been seen by, uh, hundreds of moviegoers? Randall Munroe of xkcd has an intriguing theory that explains everything.
The man we know as D.B. Cooper has not been seen since he jumped out of an airplane in 1971. Or has he been seen by, uh, hundreds of moviegoers? Randall Munroe of xkcd has an intriguing theory that explains everything.
http://www.coasttocoastam.com/pages/the-d-b-cooper-letters