D.B. Cooper, the changing nature of hijackings and the foundation for today's airport security
- Written by Janet Bednarek, Professor of History, University of Dayton
The hijacking of U.S. aircraft – like the three hijacked in 1970 by the Popular Front for the Liberation of Palestine – made it impossible for American policymakers to ignore the threat.Bettmann/Getty ImagesThough many Americans may associate airport security with 9/11, it was a wave of hijackings in the late 1960s and early 1970s...