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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.
Deconstructing History: Alcatraz. Get all the facts and figures about the island of Alcatraz, commonly known as The Rock. On March 21, 1963, Frank C. Weatherman shuffled aboard a boat in San Francisco Bay. The Anchorage, Alaska, native was hardly on a pleasure cruise, however.