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.

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

Escape From Alcatraz And A 47-Year Manhunt : NPR

U.S. Marshals still looking for inmates who escaped Alcatraz 60 years ago - National

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

Alcatraz Escape - Unsolved Mysteries

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

The Daring 1962 Alcatraz Escape And The Inmates Behind It

June 1962 Alcatraz escape attempt - Wikipedia

New evidence in 60-year-old Alcatraz prison break