Escape from Alcatraz: US Marshals hunt criminals who dug their way out of prison in 1962, US News

Some historians believe the three men died while trying to cross San Francisco Bay after their escape but some evidence suggests they made it out alive.

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

Alcatraz Escape - Unsolved Mysteries

June 1962 Alcatraz escape attempt - Wikipedia

One Of The Convicts Who Escaped Alcatraz In 1962 May Have Surfaced, by Hunter Stuart, OMGFacts

US Marshals release new wanted images of the three men who infamously escaped Alcatraz

US Marshals release age-progressed images of men who escape from Alcatraz Island prison in 1962

One Of The Convicts Who Escaped Alcatraz In 1962 May Have Surfaced, by Hunter Stuart, OMGFacts

What is the history of Alcatraz Prison in San Francisco Bay? Have there ever been any escape attempts from the prison? How many people attempted it and what happened to them if

How Alcatraz fugitives would look now – 60 years on from daring jail break

Family of Alcatraz escapee John Anglin believe he IS still alive as they slam FBI for keeping letter secret for five years

US Marshals still searching for Alcatraz inmates who may have survived escape 60 years ago

Escape From Alcatraz And A 47-Year Manhunt : NPR