Al Capone and threatened to arrest his family. He was charged with perjury for making these statements, but was acquitted after a three-day trial in July. In September, a Chicago judge issued a warrant for Capone's arrest on charges of vagrancy, and then used the publicity to run against Thompson in the Republican primary. In February 1931, Capone was tried on the contempt of court charge. In court, Judge James Herbert Wilkerson intervened to reinforce questioning of Capone's doctor by the prosecutor. Wilkerson sentenced Capone to six months, but he remained free while on appeal of the contempt conviction. Assistant Attorney General
Al Capone but Capone's lawyers incompetently failed to make the necessary timely objection; they ran a basically irrelevant defense of gambling losses. Judge Wilkerson allowed Capone's spending to be presented at very great length. There was no doubt that Capone "spent" vast sums but, legally speaking, the case against him centered on the size of his "income". Capone was convicted on October 17, and was sentenced a week later to eleven years in federal prison, fined $50,000 plus $7,692 for court costs, and was held liable for $215,000 plus interest due on his back taxes. The contempt of court sentence was served