The unassuming-looking man who would come to be known as D.B. Cooper bought a one-way ticket on Northwest Orient Airlines from Portland, Ore., to Seattle under the name Dan Cooper on Nov. 24 ...
The mystery started when a man using the name "Dan Cooper" boarded Northwest Orient Airlines Flight 305 on November 24, 1971. With a bomb threat, he demanded $200,000 in cash (roughly $1.54 ...