Alcatraz Citadel having some 111 cannons encircling the island at peak, and was also used as a war camp. During the Civil War, the defense establishment at Alcatraz Citadel had the onerous task to defuse the possibility of any local war between the Union and Confederate supporters who were both part of the population of California, and to protect San Francisco. Ammunition in the form of 10,000 muskets and 150,000 cartridges was supplied to the fort, which made the Fort Alcatraz and the island most impregnable and thus leaving any plans of the Confederate soldiers of taking control of the San Francisco
Legends of Alcatraz cells and locked cell doors shutting, to phantom figures in corridors, cold spots and even the sounds of musical instruments and sewing machines. Officials for Alcatraz have dismissed the reports of ghosts at Alcatraz as nonsense and deny their existence. Jerry Lewis Champion stated that it is "easy to see that Alcatraz Island contains all the legend and aura for the tales of ghosts and lost souls." The "Los Angeles Times" describes Alcatraz as the "most notorious federal penitentiary this country has ever known. Its history runs far and deep, as do the stories, the rumors, and the legends", and