International Hijacker Missing for 37 Years Published January 2, 2008 at 10:00 AM PST This story was published more than 17 years ago. Facebook WhatsApp Email Listen • 0:00 The FBI is still trying to solve the case of D.B. Cooper who leapt out of a plane in 1971 and hasn't been seen since. Madeleine Brand and Alex Chadwick discuss the case. Copyright 2023 NPR. To see more, visit https://www.npr.org.