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 Torrio was returning from a shopping trip when he was shot several times. After recovering, he effectively resigned and handed control to Capone, age 26, who became the new boss of an organization that took in illegal breweries and a transportation network that reached to Canada, with political and law-enforcement protection. In turn, he was able to use more violence to increase revenue. An establishment that refused to purchase liquor from him often got blown up, and as many as 100 people were killed in such bombings during the 1920s. Rivals saw Capone as responsible for the proliferation of brothels