There were about 600 members in the Chicago Mafia who participated in various crimes including prostitution, extortion, gambling, theft and bootlegging.
What were the other names of the Chicago Mafia? The Chicago Mafia was also known as the Chicago Mob, the Outfit and the Capone Mob.
What was the Chicago Mafia? The Chicago Mafia was an Italian American crime syndicate based in Chicago, Illinois
Al Capone and the Chicago Mafia: Each major city in the Prohibition Era (1920 - 1933) had its gangster element but the most famous was in Chicago which was led by the notorious crime boss, Al "Scarface" Capone.
How big was the Chicago Mafia? The Chicago Mafia is believed to have over 600 mobsters. The names and the roles of the most important gangsters in the Capone Outfit are detailed in this article
Facts about Al Capone: His associates in the Chicago Mafia
Jack Jake "Greasy Thumb" Guzik was Al Capone's accountant (bagman) and said to be the only man he ever really trusted.
Hymie "Loudmouth" Levine was collector in downtown Loop and trusted for his bookmaking skills.
Claude "Screwy" Maddox was a trusted gunman and chief suspect in the St.Valentine's day massacre
William "Willie" Heeney was the violent gambling boss of Cicero, questioned for the murder of William McSwiggin and Hymie Weiss.
Antonino Joseph Accardo, also known as "Joe Batters" or "Big Tuna" was his bodyguard who eventually took over the Outfit together with Paul Ricca.
Paul "The Waiter" Ricca was a good friend of Al Capone who was best man at his wedding
Peter Von Frantzius was his gangland armorer and weapons supplier
Argentinean born Anthony "Mops" Volpe was a close henchman and number 2 on the public enemies list
Frank Nitti (Francesco Raffele Nitto) was his second in command.
Lawrence Mangano ran liquor distribution and became Public Enemy No. 4
"Machine Gun" Jack McGurn, born Vincenzo Antonio Gibaldi, was a key member of the Chicago Outfit.
George "Red" Barker had massive influence over the labor unions
James "Bomber" Belcastro was a gangster famous as the "King of bombers"
Frank Milano was a chief gunmen
Murray "The Camel "Humphreys was mob financier and political fixer for the Chicago Mafia
Dennis "the Duke" Cooney was Miami's leading brothel keeper
"Three Finger Jack" White was another high ranking public enemy gangster
Barney Bertsche, an important member of the north side gambling syndicate
Harry Cusick was important in the syndicate specializing in vice, gambling and illegal liquor
Diamond Joe Esposito earned a reputation as a reliable gunman in the mob
Frank Rio was the crime lord's most trusted bodyguard
Sylvester Barton was his trusted chauffeur who also worked as his bodyguard
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