Al Capone $100,000 for 1928 and 1929, for instance. Hence, without any investigation, the government had been given a letter from a lawyer acting for Capone conceding his large taxable income for certain years. In 1931, Capone was charged with income tax evasion, as well as with various violations of the Volstead Act (Prohibition) at the Chicago Federal Building in the courtroom of Judge James Herbert Wilkerson. U. S. Attorney George E. Q. Johnson agreed to a deal that he hoped might result in the judge giving Capone a couple of years, but Judge Wilkerson had been aware of the deal all
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