Al Capone marked Capone's rule. Organized crime in the city had a lower profile once Prohibition was repealed, already wary of attention after seeing Capone's notoriety bring him down, to the extent that there is a lack of consensus among writers about who was actually in control and who was a figurehead "front boss". Prostitution, labor union racketeering, and gambling became moneymakers for organized crime in the city without incurring serious investigation. In the late 1950s, FBI agents discovered an organization led by Capone's former lieutenants reigning supreme over the Chicago underworld. After Capone was released from prison, he was referred to
Al Capone Johns Hopkins Hospital in Baltimore for the treatment of paresis (caused by late-stage syphilis). Hopkins refused to admit him based solely on his reputation, but Union Memorial Hospital accepted him. Capone was grateful for the compassionate care that he received and donated two Japanese weeping cherry trees to Union Memorial Hospital in 1939. A very sickly Capone left Baltimore on March 20, 1940, after a few weeks inpatient and a few weeks outpatient, for Palm Island, Florida. In 1946, his physician and a Baltimore psychiatrist performed examinations and concluded that Capone had the mentality of a 12-year-old child. Capone spent