Polish-American organized crime and Hymie Weiss (Wojciechowski) both having a Polish heritage. Fred Goetz was involved in carrying out the St. Valentine's Day Massacre. In New Jersey, the organization led by Mickey Cusick, was the prominent boss of bootlegging in Southern Jersey. The infamous gangster Meyer Lansky, one of the leaders of the National Crime Syndicate and associate of Lucky Luciano, was actually a Polish Jew. Joseph Filkowski led a mostly Polish bootlegging ring in Cleveland, Ohio, along with gangster Joseph Stazek. In Pittsburgh, Paul Jarwarski was also a prominent figure, carrying out the first armored car robbery. In Buffalo, New York John
Murder, Inc. the Commission. Soon after, Siegel and Lansky disbanded the Bugs and Meyer gang and formed Murder, Incorporated. Most of the killers were Italian and Jewish gangsters from the gangs of the Brooklyn neighborhoods of Brownsville, East New York, and Ocean Hill. In addition to carrying out crime in New York City and acting as enforcers for New York Jewish mobster Louis "Lepke" Buchalter, they accepted murder contracts from mob bosses all around the United States. In the book "The Valachi Papers" (1969) by Peter Maas, Mafia turncoat Joe Valachi is described as insisting that Murder, Inc. did not commit crimes