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From Wikipedia, the free encyclopedia. In its 29 years of operation, there were 14 acknowledged attempts to escape from Alcatraz prison involving 34 inmates (two, Joseph Cretzer and Sam Shockley, tried twice). Officially, every escape attempt failed, and most participants were either killed or quickly re-captured.
The hunt is still on: 50 years after three inmates 'escaped' from Alcatraz through spoon-dug tunnels a U.S. marshal searches for an 80-year-old fugitive. It's been half a century since three inmates pulled off a Houdini-like escape from America's most foreboding maximum security prison, Alcatraz, in San Francisco Bay.