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.

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

Is it possible that the prisoners that escaped from Alcatraz still live today? - Quora

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

Letter Suggests Alcatraz Escapees May Have Survived 1962 Jailbreak

Escape from Alcatraz New Edition by J. Campbell Bruce

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

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