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Chicago, Illinois, has a long history of organized crime and was famously home to the American mafia figure Al Capone. This article contains a list of major events related to organized crime.
Alphonse Gabriel Capone, sometimes known by the nickname "Scarface", was an American gangster and businessman who attained notoriety during the Prohibition era as the co-founder and boss of the Chicago Outfit. His seven-year reign as a crime boss ended when he went to prison at the age of 33.
The National Crime Syndicate was a multi-ethnic, closely connected, American confederation of several criminal organizations. It mostly consisted of and was led by the closely interconnected Italian-American Mafia and Jewish mob; to a lesser extent, it also involved other criminal organizations such as the Irish Mob and African-American organized crime groups. Hundreds of murders were committed by Murder, Inc. on behalf of the National Crime Syndicate during the 1930s and 1940s.
John Donato Torrio was an Italian born-American mobster who helped build the Chicago Outfit in the 1920s later inherited by his protégé Al Capone. Torrio proposed a National Crime Syndicate in the 1930s and later became an adviser to Lucky Luciano and his Luciano crime family.
Frank Ralph Nitto, known as Frank Nitti, was an Italian-American organized crime figure based in Chicago. The first cousin and bodyguard of Al Capone, Nitti was in charge of all money flowing through the operation. Nitti later succeeded Capone as acting boss of the Chicago Outfit.
Anthony Joseph Accardo, also known as "Joe Batters" and "Big Tuna", was an American longtime mobster. In a criminal career that spanned eight decades, he rose from small-time hoodlum to the position of day-to-day boss of the Chicago Outfit in 1947, to ultimately becoming the final Outfit authority in 1972. Accardo moved the Outfit into new operations and territories, greatly increasing its power and wealth during his tenure as boss.
Paul De Lucia, known as Paul Ricca, was an Italian-American mobster who served as the nominal or de facto leader of the Chicago Outfit for 40 years. In 1958 he was named "the country's most important criminal" by a Senate crime investigating subcommittee. Ricca died on October 11, 1972.
The Chicago Outfit is an Italian-American organized crime syndicate or crime family based in Chicago, Illinois, that originated in the city's South Side in 1910. It is part of the larger Italian-American Mafia.
John Philip Cerone, nicknamed Jackie the Lackey, was an American mobster and boss of the Chicago Outfit during the late 1960s. He was the younger brother of mobster Frank "Skippy" Cerone, father of lawyer John Peter Cerone, and husband to the late Clara Cerone.
The Valley Gang was an Irish-American street gang in Chicago, Illinois during the early 20th century, which ultimately made the transition to organized crime and became a de facto extension of the Chicago Outfit under Al Capone.
Gus Alex was a Greek-American mobster affiliated with the Chicago Outfit, who succeeded Jake Guzik and Murray Humphreys as the Outfit's main political briber and "fixer".
Salvatore Joseph "Sam" Battaglia was an American mobster and high-level member of the Chicago Outfit criminal organization.
Fiore "Fifi" Buccieri was a Chicago mobster and member of the Chicago Outfit who specialized in loansharking.
Louis "Little New York" Campagna was an American gangster and mobster and a high-ranking member of the Chicago Outfit for over three decades.
William Daddano Sr., also known as "William Russo" and "Willie Potatoes," was a top enforcer and loan shark for the Chicago Outfit and a participant in some high-profile robberies.
Joseph Esposito was an American politician best known for his involvement in bootlegging, extortion, prostitution and labor racketeering in Chicago, Illinois during the Prohibition era.
Marshall Joseph Caifano was an Italian-American mobster who became a high-ranking member of the Chicago Outfit in Las Vegas.
Jake "Greasy Thumb" Guzik was the financial and legal advisor, and later political "greaser," for the Chicago Outfit.
Walter Stevens (1877–1931) was a freelance enforcer and "hitman", popularly known as "dean of the Chicago gunmen", during Prohibition. Although having the reputation of a violent gangster, credited with the deaths of at least 60 men, Stevens was a devoted husband to an invalid wife and his three adopted children. Stevens was uncharacteristically cultured compared to his fellow gangsters, refraining from drinking and reportedly quoting classical literature from authors such as Robert Louis Stevenson and poet Robert Burns.
Franklin Rio also known as "Frank Rio" and "Frank Cline" was a member of Al Capone's Chicago-based criminal organization known as the Chicago Outfit. He was also an alleged gunman in the famous 1929 St. Valentine's Day Massacre.
Salvatore Mooney Giancana was an American mobster who was boss of the Chicago Outfit from 1957 to 1966.