The D.B. Cooper cold case remains the only unsolved commercial airline ... Both were ultimately ruled out. The FBI sent letters and memos to banks and financial institutions asking them to immediately ...

The mystery man known as D.B. Cooper sent a letter to newspapers after he parachuted from a plane in 1971 with $200,000 in ransom money. The letter was among newly released documents about the ...

The FBI has released a new dossier hundreds of pages long with extra information on one of the most mystifying crimes in US ...

Newly declassified FBI files of the 1971 D.B. Cooper hijacking have been released. NBC News' Gadi Schwartz spoke to Geoffrey ...

Cooper - famously dubbed DB Cooper by the media - bought a $18. ... as the public submitted letters and tips about who they thought the 'armed and dangerous' UNSUB, or unidentified subject of ...

New Hampshire youth worker, 70, guilty of holding down teen for colleagues to rape him at center in 1998 Ransom letter left at ... has long been speculated by DB Cooper aficionados as the probable ...

The D.B. Cooper cold case remains the only unsolved ... Both were ultimately ruled out. The FBI sent letters and memos to banks and financial institutions asking them to immediately “report ...