Here’s a look at the story of D. B. Cooper, the man who hijacked a flight in 1971, parachuted out and was never heard from again.A prominent in the infamous D.B. Cooper case died earlier this month in Northern California, according to reports. He was 94.The 1971 skyjacking by a man using the name Dan Cooper left the world breathless as he ransomed 36 hostages aboard Northwest Orient...