Bootleggers and smugglers bringing in liquor from Canada formed powerful gangs. He adopted the guise of Black Condor to fight crooked politicians, rum-running bootleggers, and racketeers. Ethanol was disadvantaged by frequent accusations that ethanol producers collaborated with bootleggers during Prohibition. Atlantic Highlands became a haven for bootleggers during Prohibition. Hoover began using wiretapping in the 1920s during Prohibition to arrest bootleggers. The presence of fraudsters, commercial bootleggers, and other criminals in this area did not help. A convoy of bootleggers arrive and hold the law-enforcers at gunpoint. Before that, Mississippi had taxed the illegal alcohol brought in by bootleggers. Violence continued sporadically between bootleggers and the Klan. At the beginning of Prohibition, Yale became one of Brooklyn's biggest bootleggers. The Klan opposed bootleggers, sometimes with violence. District Attorney Carr publicly condemned Mayor Stapleton for not prosecuting the bootleggers. Forrest refuses and implores his fellow bootleggers to unite against Rakes, but they refuse. Following a series of successful raids against bootleggers, he gained the nickname of "Two-Gun" Hart. He became one of the most famous and powerful beer bootleggers in Philadelphia.