Saint Valentine's Day Massacre was questioned fruitlessly by Chicago Police, and there the matter lay. Crime historians are still divided on whether or not the "American Boys" committed the St. Valentine's Day Massacre. Over the years, many mobsters, in and out of Chicago, would be named as part of the Valentine's Day hit team. Two prime suspects are Cosa Nostra hit men John Scalise and Albert Anselmi; both men were effective killers and are frequently mentioned as possibilities for two of the shooters. In the days after the massacre, Scalise was heard to brag, "I am the most powerful man in Chicago." He had
Saint Valentine's Day Massacre were tested and it was determined that both had been used in the massacre. One of them had also been used in the murder of Brooklyn mob boss Frankie Yale, which confirmed the New York Police Department's long-held theory that Burke, and by extension Al Capone, had been responsible for Yale's death. Gun No. 2347 had been originally purchased on November 12, 1924, by Les Farmer, a deputy sheriff in Marion, Illinois, which happened to be the seat of Williamson County. Marion and the surrounding area were then overrun by the warring bootleg factions of the Shelton Brothers and Charlie