A stunning new "one in a billion" clue could finally unravel the mystery of D.B. Cooper 53 years after his infamous hijack . Knewz.com can reveal the parachute that D.B. Cooper used to flee with $200,000 after hijacking a plane may have finally been found, offering a major breakthrough in the case. The FBI has been baffled for decades by the case of D.B. Cooper – the unidentified man who hijacked Northwest Orient Airlines Flight 305, took thousands in ransom, and mysteriously vanished after