Writer offers new theory for the identity of the mystery hijacker
                                
                                
                                    (Newser) -
                                    On Nov. 24, 1971, an airplane hijacker who would become known as DB Cooper donned a parachute, strapped $200,000 in cash to his body, and leaped out of a Boeing 727 jetliner somewhere between Seattle, Wash., and Reno, Nev. His true identity and whether he survived the jump remain...