The Copycat D.B. Cooper Hijackings

In the years following D.B. Cooper's 1971 hijacking, at least 15 copycat hijackings occurred across the United States as criminals attempted to replicate his method. None were successful — all copycats were captured or killed. The wave of imitations prompted airlines and the FAA to implement mandatory passenger screening at airports in 1973, permanently changing air travel. The original D.B. Cooper remains the only unsolved commercial airline hijacking in U.S. history.