Alcatraz Citadel Bay and California State could be taken under its fold was thwarted. Alcatraz was officially designated as a military prison on August 27, 1861. In March 1863, when there was a threat that the San Francisco Bay would be captured by the Confederates, the schooner, which was to carry out the operation set sail; the U.S. Navy prevented the schooner from moving out and captured the crew along with ammunition and 15 confederates who were hiding in the galleys of the ship. Consequent to this, the importance of Alcatraz increased, more and more confederates and civilians were arrested for reasons
Alcatraz Federal Penitentiary Prisons. The purpose of this transfer was to punish those involved in the rampant crime which prevailed in the country in the 1920s and 1930s. The United States Disciplinary Barracks on Alcatraz was acquired by the United States Department of Justice on October 12, 1933, and the island became a Federal Bureau of Prisons federal prison in August 1934. The $260,000 conversion to the federal prison took place from January 1934. George Hess of the United States Public Health Service was appointed the chief medical officer of the prison and Edward W. Twitchell became a consultant in psychiatry for Alcatraz