Question: Who was a Jewish American mobster that was known as one of the most "infamous and feared gangsters of his day" and was also an associate and childhood friend of Harry Schachter or Harry "Big Greenie" Greenberg and ended up murdering him along with Whitey Krakow?
Sentence (from "Bugsy Siegel"): Siegel was not only influential within the Jewish mob but, like his friend and fellow gangster Meyer Lansky, he also held significant influence within the Italian-American Mafia and the largely Italian-Jewish National Crime Syndicate.
Relevant evidence: No