Twin brothers Ronnie Kray and Reggie Kray were English gangsters who were the foremost perpetrators of organized crime in the East End of London during the 1950s and 60s.
Depression-era criminal Charles Arthur "Pretty Boy" Floyd robs numerous banks and becomes Public Enemy No. 1 after John Dillinger is killed by federal agents.
Al Capone is America's best known gangster and perhaps the single greatest symbol of the collapse of law and order in the United States during the Prohibition era of the 1920s. The FBI branded the bootlegging kingpin America's "Public Enemy #1.