List of Chicago criminal organizations and crime bosses
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 | This list has no precise inclusion criteria as described in the Manual of Style for standalone lists. (January 2014) |
Participants in organized crime in Chicago at various times have included members of the Chicago Outfit associated with Al Capone, the Valley Gang, the North Side Gang, Prohibition gangsters, and others.
Chicago Outfit (Al Capone Gang)[edit]
(Formerly called the "Capone Gang".)
- Jim Colosimo, founder
- Johnny Torrio, foundational leader of American organized crime
- Al Capone, heir of American organized crime
- Frank Nitti
- Paul Ricca
- Tony Accardo
Valley Gang[edit]
- Paddy Ryan
- Terry Druggan
- Frankie Lake
Genna Crime Family[edit]
North Side Gang[edit]
Chicago gang leaders[edit]
- Joey Aiello (Unione Siciliana takeover)
- Sam Cardinelli ("Black Hand" gang)
Prohibition gangs[edit]
- Roger Touhy (Des Plaines, Illinois)
- Ragen's Colts, founded as a baseball team by James M. Ragen on the South Side
- Southside O'Donnell's
- Westside O'Donnells, led by Myles O'Donnell and William O'Donnell
- Frank McErlane-Joe Saltis Gang
Racketeers[edit]
- Maurice Enright, Chicago labor racketeer