Mysterious letter reopens case over whether Alcatraz escapees survived the infamous 1962 jailbreak

It was supposed to be the jail from which no inmate could escape - or if they were foolhardy enough to try, would surely perish in the attempt.

Alcatraz Escape — FBI

Is one of the infamous 1962 Alcatraz escapees still alive? Letter sparks debate

Unsolved Case Files: Jailbreak At Alcatraz - By Tom Sullivan : Target

Yes we all made it': Is this letter proof that infamous Alcatraz escapees DID survive 1962 jailbreak? - World News - Mirror Online

Mystery letter from 'one of three prisoners who escaped Alcatraz in 1962' in raft made from raincoats sees FBI re-open case

Mysterious letter reopens case over whether Alcatraz escapees survived the infamous 1962 jailbreak

Escape from Alcatraz: Letter claims three inmates survived 1962 prison break - The Washington Post

Did anyone successfully escape from Alcatraz when it was a prison? - Quora

Mystery letter from 'one of three prisoners who escaped Alcatraz in 1962' in raft made from raincoats sees FBI re-open case