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The Battle of Alcatraz, which lasted from May 2 to 4, 1946, was the result of an unsuccessful escape attempt at Alcatraz Federal Penitentiary. Two guards—William A. Miller and Harold Stites—were killed along with three of the inmates. Eleven guards and one uninvolved convict were also injured. Two of the surviving convicts were later executed for their roles. == Takeover == On May 2, 1946, while most convicts and guards were in outside workshops, Bernard Coy, a bank robber serving a 25-year sentence at Alcatraz, was in the main cellhouse sweeping the floor around C Block when kitchen orderly Marvin Hubbard called on guard William Miller to let him in as he had just finished cleaning the kitchen. As Miller was frisking Hubbard for any stolen articles, Coy attacked him from behind and the two men overpowered the officer. They then released Joseph Cretzer and Clarence Carnes from their cells.〔 The cellhouse had an elevated gun gallery which was regularly patrolled by an armed guard. The guard, Bert Burch, had a set routine and the convicts had attacked Miller while Burch was away. Coy, as a cellhouse orderly, had over the years spotted a flaw in the bars protecting the gun gallery which allowed them to be widened using a bar-spreading device consisting of a nut and bolt with client metal sleeve which moved when the nut was turned by a small wrench. Coy thus managed to spread the bars and squeeze through the widened gap (Coy starved himself in order to fit through the space between the widened bars, which was still relatively narrow) into the temporarily vacant gallery and to overpower and bind Burch on his return. Coy kept the Springfield rifle in the gallery and lowered an M1911 pistol, keys, a number of clubs, and gas grenades to his accomplices below.〔 Continuing along the gun gallery, Coy then entered D Block, which was separated from the main cellhouse by a concrete wall and was used for prisoners kept in isolation. There he used the rifle to force guard Cecil Corwin to open the door to the main cellhouse and let the others in. They then released about a dozen convicts including Sam Shockley and Miran Thompson. Shockley and Thompson joined Coy, Carnes, Hubbard, and Cretzer in the main cellhouse. The other prisoners returned to their cells. Miller and Corwin were placed in a cell in C Block.〔 The escapees now needed to secure the key to the yard door of the prison from which they expected to make their way to the island's dock to seize the prison's launch. The boat docked daily between 14:00 and 14:30. The plan was to use the hostage guards as cover as the prisoners made their way to the dock, then San Francisco and freedom. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of Alcatraz」の詳細全文を読む スポンサード リンク
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