Unsolved Case Files: Escape at 10,000 Feet

A detailed account of the only unsolved airplane hijacking in U.S. history, which occurred on November 24, 1971. A man in his mid-forties, known as D.B. Cooper, boarded Northwest Orient Airlines flight 305 in Portland, Oregon. He presented demands for $200,000 and four parachutes, threatening to detonate an explosive device if his demands were not met. This true story remains the only unsolved case of airplane hijacking in the United States.