Webthose who remember still compare him to al capone, the leader of a ruthless 1920s criminal syndicate that cemented the city’s bloody, violent reputation. Webchicago — a federal jury has convicted three leaders of a chicago street gang on federal racketeering charges for participating in a criminal organization that. Webamong the most influential figures in chicago’s gang history, david barksdale founded the black disciples, a notorious street gang, when he was just a.