years of its operation, Alcatraz yielded 14 separate escape attempts involving 36 men altogether.
9
hectares that made up the area of the Alcatraz island became a trap for hundreds of prisoners in the years between 1934 and 1963, when a federal prison was operated on the island.
23
prisoners were caught in their attempts to escape, six were shot and two drowned.
10
years Franklin White spent in an underground cell alone, without light and in utter silence. It was his punishment for attempting to escape.
133
was reported value of Frank Morris's IQ. This man, originally from Washington, spent most of his youth in an orphanage. The first time he was convicted was at the age of thirteen.