William Colbeck (gangster) and no one was charged in his shooting. On the strength of the testimony of Egan gangster Ray Renard, Colbeck and eight of his men were convicted on November 15, 1924, and sentenced to 25 years in federal prison. While in the Atlanta Federal Penitentiary, one of his cell mates was Chicago gang boss Al Capone, who assisted him in his work with the Catholic chaplain. Legend has it the two hit it off so well they planned to go into business together once they were both paroled. These plans were foiled by Capone's transfer to Alcatraz in 1934. Paroled
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