Eliot Ness, born in Chicago on April 19, 1903, was an American Prohibition agent, famous for his efforts to enforce Prohibition in Chicago. He was the leader of a legendary team of law enforcement agents nicknamed The Untouchables. Ness brought down the notorious gangster Al Capone by targeting the illegal breweries and supply routes used by him.
July 22, 1934: Bank robber and jail breaker John Dillinger was killed by FBI agents at the Biograph Theater in Chicago. The infamous criminal held the attention of the press, the public and FBI Director J. Edgar Hoover and is featured in the Newseum's FBI exhibit, "G-Men and Journalists."
A true gangster, Joseph Kennedy used his friends in the mob to get his son JFK elected President of the United States. Both JFK and his brother Robert were killed by the mob because, instead of ignoring their criminal activities, like Papa Joe had promised his mob friends, RFK, as Attorney General, stepped up his mob busting activities. Moral of the story - don't mess with the mob.