Question: Which charismatic Jewish American mobster created the Cohen crime family in the early 1930s? 

full_context: Document 1: Moe Dalitz: Morris Barney Dalitz (December 25, 1899 – August 31, 1989), known as Moe Dalitz, was an American gangster, businessman, casino owner and philanthropist. He was one of the major figures who shaped Las Vegas, in the 20th century. He was often referred to as "Mr. Las Vegas".
Document 2: Joseph Valachi: Joseph Michael "Joe Cargo" Valachi (September 22, 1904 – April 3, 1971) was an American gangster, notable as the first member of the Italian-American Mafia to publicly acknowledge its existence, and credited with popularization of the term "Cosa Nostra".
Document 3: Moe Greene: Morris "Moe" Greene is a fictional character appearing in Mario Puzo's 1969 novel "The Godfather" and the 1972 movie of the same name. The character's name is a composite of real Las Vegas mobsters Moe Dalitz, or possibly Moe Sedway, and Gus Greenbaum. However, both Greene's character and personality are actually based on Bugsy Siegel: his affiliation with the mob in Los Angeles, his involvement in the development of Las Vegas, and his flamboyant tendencies. Greene is portrayed in the movie by Alex Rocco.
Document 4: Hyman Roth: Hyman Roth (born Hyman Suchowsky; 1891 – 1960) is a fictional character and antagonist in "The Godfather Part II" and a minor character in the novel "The Godfather Returns". He is a Jewish investor and a business partner of Vito Corleone, and later his son Michael Corleone. He is based on Florida mobster Meyer Lansky and was played by Lee Strasberg in the movie.
Document 5: Bugsy: Bugsy is a 1991 American crime-drama film directed by Barry Levinson which tells the story of mobster Bugsy Siegel and his relationship with Virginia Hill. It stars Warren Beatty as Siegel and Annette Bening as Hill, as well as Harvey Keitel, Ben Kingsley, Elliott Gould, and Joe Mantegna. The screenplay was written by James Toback from research material by Dean Jennings' 1967 book "We Only Kill Each Other".
Document 6: Gambino crime family: The Gambino crime family (pronounced ] ) is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia (or "Cosa Nostra"). The group, which went through three bosses between 1910 and 1957, is named after Carlo Gambino, boss of the family at the time of the McClellan hearings in 1963, when the structure of organized crime first gained public attention. The group's operations extend from New York and the eastern seaboard to California. Its illicit activities include labor and construction racketeering, gambling, loansharking, extortion, money laundering, prostitution, fraud, hijacking, pier thefts, and fencing.
Document 7: Mickey Cohen: Meyer Harris "Mickey" Cohen (September 4, 1913 – July 29, 1976) was an American gangster based in Los Angeles and boss of the Cohen crime family. He also had strong ties to the Italian American Mafia from the 1930s through 1960s.
Document 8: David Berman (mobster): David Berman (1903–1957), nicknamed "Davie the Jew", was a Jewish-American organized crime figure in Iowa, New York City, Minneapolis, and Las Vegas. He was one of the pioneers of gambling in Las Vegas, where he was a partner with flamboyant mobster Bugsy Siegel at the Flamingo Hotel. Berman died a non-violent death in 1957 during surgery.
Document 9: Cohen crime family: The Cohen crime family, or the Siegel crime syndicate, was an Italian-American Mafia / Jewish Mafia crime family created by New York Jewish American mobster Benjamin "Bugsy" Siegel in the early 1930s. Siegel ran Los Angeles and later Las Vegas' illegal gambling and prostitution rings with his lieutenants Mickey Cohen, David Berman, Harold "Hooky" Rothman, Moe Sedway and boss of the L.A. family Jack Dragna.
Document 10: Lucky Luciano: Charles "Lucky" Luciano ( ; born Salvatore Lucania November 24, 1897 – January 26, 1962) was an Italian-American mobster and crime boss. Luciano is considered the father of modern organized crime in the United States for the establishment of the first Commission. He was also the first official boss of the modern Genovese crime family. He was, along with his associates, instrumental in the development of the National Crime Syndicate.
Document 11: Bugsy Siegel: Benjamin "Bugsy" Siegel (February 28, 1906 – June 20, 1947) was a Jewish American mobster. Siegel was known as one of the most "infamous and feared gangsters of his day". Described as handsome and charismatic, he became one of the first front-page celebrity gangsters. He was also a driving force behind the development of the Las Vegas Strip. Siegel was not only influential within the Jewish mob but, like his friend and fellow gangster Meyer Lansky, he also held significant influence within the Italian-American Mafia and the largely Italian-Jewish National Crime Syndicate.
Document 12: Al Capone: Alphonse Gabriel Capone ( ; ] ; January 17, 1899 – January 25, 1947), sometimes known by the nickname Scarface, was an American mobster, crime boss and businessman who attained fame during the Prohibition era as the co-founder and boss of the Chicago Outfit. His seven-year reign as crime boss ended when he was 33 years old.
Document 13: Genovese crime family New Jersey faction: The Genovese crime family's New Jersey faction is a group of mobsters within the Genovese crime family that control the family's interests in organized crime activities in the state of New Jersey. The New Jersey faction of the Genovese crime family has maintained a strong presence in the Northern New Jersey area since the prohibition era. The faction is divided into multiple crews and has increased in power over the years with members controlling illegal activities in labor racketeering, loansharking, extortion, and illegal gambling. Members within the faction have held top leadership position in the Genovese crime family dating back to the 1930s with underboss Guarino "Willie" Moretti. From the 1990s until his death in 2010, Tino "the Greek" Fiumara had been in control of the New Jersey faction.
Document 14: List of Cohen crime family members: The Cohen crime family, or the Siegel-Cohen crime syndicate, was a Jewish-Italian crime family that was active from 1933 to 1961. The family was founded by New York Jewish mobster Benjamin "Bugsy" Siegel in the early 1930s. He had Los Angeles Mafia boss Jack Dragna and Jewish mobsters Mickey Cohen and Moe Sedway as his lieutenants. He created the biggest prostitution ring, gambling and protection rackets in Las Vegas and Los Angeles. He also expanded into drug trafficking and bookmaking.
Document 15: Genovese crime family: The Genovese crime family (pronounced ] ) is one of the "Five Families" that dominate organized crime activities in New York City and New Jersey as part of the Mafia (or "La Cosa Nostra"). The Genovese crime family has been nicknamed the "Ivy League" and "Rolls Royce" of organized crime. They are rivaled in size only by the Gambino crime family and are unmatched in terms of power. They have generally maintained a varying degree of influence over many of the smaller mob families outside New York, including ties with the Philadelphia, Patriarca, and Buffalo crime families.
ground_truth: Benjamin "Bugsy" Siegel