Ralph Himmelsbach spent the last 9 years of his FBI career on the 1971 D.B. Cooper hijacking, and then put it squarely behind him — at least, until someone else brought it
D.B. Cooper Hijacking — FBI
Skydiving Highjacker Who Scored $200,000 Could Be Living in San Diego; Is it Okay to Idolize Criminals? | The Inertia
DB Cooper jumped from a plane and into the history books 50 years ago. Will the mystery ever be solved? - ABC News
D. B. Cooper - Wikipedia
D.B. Cooper Hijacking — FBI
50 Years On, the Unsolved D. B. Cooper Skyjacking Is the Stuff of Legends | Portland Monthly
Is D.B. Cooper Still on the Run? | Seattle Met
D.B. Cooper | Hijacking, Investigation, Parachute, Money Serial Numbers, Suspects, & Facts | Britannica
Who Was D.B. Cooper?
50 years ago this week: D.B. Cooper jumped in history - and mystery | KVAL
Why D.B. Cooper should have checked the weather before his infamous hijack heist
Why D.B. Cooper should have checked the weather before his infamous hijack heist
50 years ago this week: D.B. Cooper jumped in history - and mystery | KVAL
D.B. Cooper Hijacking — FBI
50 years ago: DB Cooper left Portland, jumped into history | KOIN.com
50 years ago this week: D.B. Cooper jumped in history - and mystery | KVAL
DB Cooper's Legendary Plane Jump Recreated | Expedition Unknown - YouTube
Crime historian conducts dig for evidence in DB Cooper case
50 Years Today: The Infamous Hijacking of D.B. Cooper – The Viking Times
Was D.B. Cooper Ever Found?
D.B. Cooper: How a thief jumped out of a plane and vanished into thin air
1400: D.B. Cooper - explain xkcd
DB Cooper gives authorities one final slip as FBI closes case after 45 years | FBI | The Guardian
D. B. Cooper - Wikipedia
D.B. Cooper hijacking at 50: A half-century ago, a man in a suit jumped from a plane over Washington state and into the American psyche | The Spokesman-Review
Sleuthing the Enduring Mystery of D.B. Cooper - Tahoe Quarterly
D B Cooper's Jump
