Al Capone "Big Jim" Colosimo as an enforcer. Capone began in Chicago as a bouncer in a brothel, where he contracted syphilis. Timely use of Salvarsan probably could have cured the infection, but he apparently never sought treatment. In 1923, he purchased a small house at 7244 South Prairie Avenue in the Park Manor neighborhood on the city's south side for . In the early years of the decade, his name began appearing in newspaper sports pages where he was described as a boxing promoter. Torrio took over Colosimo's crime empire after Colosimo's murder on May 11, 1920, in which Capone was
Al Capone and the Bowery Boys. He then joined the Brooklyn Rippers, and then the powerful Five Points Gang based in Lower Manhattan. During this time, he was employed and mentored by fellow racketeer Frankie Yale, a bartender in a Coney Island dance hall and saloon called the Harvard Inn. Capone inadvertently insulted a woman while working the door at a Brooklyn night club and was slashed by her brother Frank Gallucio. The wounds led to the nickname "Scarface" which Capone loathed. When he was photographed, he hid the scarred left side of his face, saying that the injuries were war wounds.