Federal Bureau of Investigation
Federal Bureau of Investigation: Famous Cases and Criminals: Al Capone
Biographical profile of well-known Chicago mobster Al "Scarface" Capone.
Internal Revenue Service
Internal Revenue Service: Historical Documents Relating to Alphonse (Al) Capone
Access the documents held by the Internal Revenue Service related to the prosecution of Al Capone for tax evasion.
US National Archives
Nara: American Originals: Al Capone
Brief description of the trial and verdict that sent Al Capone to prison, in 1931, for tax evasion.