Question: Judith Exner, was an American woman who claimed to be the mistress of U.S. president John F. Kennedy and Mafia leaders Sam Giancana and John "Handsome Johnny" Roselli, was an influential mobster for the Chicago Outfit who helped that organization control Hollywood and the Las Vegas Strip, and died on which date?

Context paragraphs:
Anthony Spilotro: Anthony John Spilotro (May 19, 1938 – June 14, 1986), nicknamed "The Ant", was an American mobster and enforcer for the Chicago Outfit in Las Vegas, Nevada, during the 1970s and 1980s.  His job was to protect and oversee the Outfit's illegal casino profits (the "skim"), when some of the casinos were run by Frank Rosenthal.  Spilotro replaced Outfit member Marshall Caifano in Las Vegas.

Hyman Larner: Hyman Larner (November 4, 1913 – October 12, 2002) was an American gangster associated with Sam Giancana and the Chicago Outfit.  Known in the newspapers as the "The Ivy League Mobster", he was the head of the Chicago Outfit's slot machine racket.

Sam Giancana: Salvatore "Mooney Sam" Giancana (born Salvatore Giangana; June 15, 1908 – June 19, 1975), better known as Sam Giancana, was a Sicilian American mobster, notable for being boss of the Chicago Outfit from 1957–1966.  Among his other nicknames were, "Momo", "Sam the Cigar," and "Sammy."

Theodore Roe: Teddy Roe (August 26, 1898 - August 4, 1952) was an African-American mob boss who built an illegal gambling empire in South Side, Chicago during the 1940s and 1950s.  Roe earned the nickname "Robinhood" because of his philanthropy among the neighborhood poor.  After refusing to pay, "street tax," to the Chicago Outfit, Roe fatally shot a made man who had been ordered to assassinate him.  In retaliation, Teddy Roe was murdered by an Outfit crew commanded by Sam Giancana on August 4, 1952.

Kool G Rap: Nathaniel Thomas Wilson (born July 20, 1968), better known by his stage name Kool G Rap (or simply G Rap), is an American rapper from Corona, Queens.  He began his career in the mid-1980s as one half of the group Kool G Rap & DJ Polo and as a member of the Juice Crew.  He is often cited as one of the most influential and skilled MCs of all time, and a pioneer of mafioso rap/street/hardcore content and multisyllabic rhyming.  On his album "The Giancana Story", he stated that the "G" in his name stands for "Giancana" (after the mobster Sam Giancana), but on other occasions he has stated that it stands for "Genius".

Charles Nicoletti: Charles "Chuckie" Anthony Nicoletti (December 3, 1916 - March 29, 1977), also known as "The Typewriter" and "Chuckie Typewriter", was a top Chicago Outfit hitman under Outfit boss Sam Giancana before and after Giancana's rise and fall.

Milwaukee crime family: The Milwaukee crime family or Balistrieri crime family is an American Mafia crime family based in Milwaukee, Wisconsin.  The crime family was considered a branch of the Chicago Outfit.  The family's most influential boss was Frank "Mr. Big" Balistrieri, who was greatly involved in the Las Vegas skimming casinos. Today, the crime family is nearly extinct, since Balistrieri died in 1993, with the "Chicago Outfit" gaining control over some of the illegal rackets in the area.

Judith Exner: Judith Exner (January 11, 1934 – September 24, 1999) was an American woman who claimed to be the mistress of U.S. president John F. Kennedy and Mafia leaders Sam Giancana and John Roselli.  She was also known as Judith Campbell Exner, and Judith Campbell.

Joseph Glimco: Joseph Paul Glimco (January 14, 1909 – April 28, 1991) was an Italian American labor leader and well-known organized crime figure based in Chicago, Illinois.  He was considered "Chicago's top labor racketeer" in the 1950s.  One high-ranking Chicago Teamsters leader noted in 1954, "He is the mob.  When he opens his mouth, it's the syndicate talking."  Glimco was active in the International Brotherhood of Teamsters (IBT) and a close associate of Teamsters president Jimmy Hoffa.  He was a capo in the Chicago Outfit, an organized crime syndicate, and oversaw the syndicate's labor racketeering efforts.  He worked closely with Tony "Joe Batters" Accardo, who led the Chicago Outfit from 1943 to 1957, and Sam "Momo" Giancana, who led the syndicate from 1957 to 1966.  A United States Senate committee once claimed that Glimco ran "the nation's most corrupt union."

John Roselli: John "Handsome Johnny" Roselli (born Filippo Sacco; July 4, 1905 – August 9, 1976), sometimes spelled Rosselli, was an influential mobster for the Chicago Outfit who helped that organization control Hollywood and the Las Vegas Strip.  In the early 1960s Roselli was recruited, without his knowledge, by the Central Intelligence Agency (CIA) in a plot to assassinate Cuban leader Fidel Castro.

Supporting paragraphs: Judith Exner John Roselli
Answer: August 9, 1976