16 Steps These Criminals Took To Escape The Notorious Alcatraz Prison

6. More Challenges Arise The metal air shafts that the men sawed through were 6 x 9 inches, so there was no way that they were going to fit through them. Once they took out the air shafts, they began working on the concrete wall around it. Every night, they replaced the wall that they

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16 Steps These Criminals Took To Escape The Notorious Alcatraz Prison