Folder: S.F. Islands-Alcatraz-Prison Breaks-May, 1946.
Newscopy: "UP FOR ARRAIGNMENT--The three convicts accused of being ringleaders in the Alcatraz riots early in May arrive at U. S. Marshal's Office in the Post Office Building to be arraigned on murder charges. They are (left to right) Cecil Carnes, Sam Shockley and Miran Thompson.".