Al Capone spending. The key to Capone's conviction on tax charges was proving his income, and the most valuable evidence in that regard originated in his offer to pay tax. Ralph, his brother and a gangster in his own right, was tried for tax evasion in 1930. Ralph spent the next three years in prison after being convicted in a two-week trial over which Wilkerson presided. Capone ordered his lawyer to regularize his tax position. Crucially, during the ultimately abortive negotiations that followed, his lawyer stated the income that Capone was willing to pay tax on for various years, admitting income of
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