Crime in New York City Southern Italian emigration. Lucky Luciano established Cosa Nostra in Manhattan, forming alliances with other criminal enterprises, including the Jewish mob, led by Meyer Lansky, the leading Jewish gangster of that period. from 1920 to 1933, Prohibition helped create a thriving black market in liquor, upon which the Mafia was quick to capitalize. Since 1990, crime in Manhattan has plummeted in all categories tracked by the CompStat profile. A borough that saw 503 murders in 1990 has seen a drop of nearly 88% to 62 in 2008. Robbery and burglary are down by more than 80% during the period, and auto
History of Las Vegas crime on Las Vegas. Although ethnic organized crime figures had been involved in some of the operations at the hotels, the Mafia bosses never owned or controlled the hotels and clubs which remained monopolized by hard-bitten local Las Vegas families who were unwilling to cede ground to the crime bosses and proved strong enough to push back. This changed in post-war Las Vegas when Jewish gangster Bugsy Siegel, with help from friend and fellow mob boss Meyer Lansky, poured money through Mormon-owned banks for cover of legitimacy and built The Flamingo in 1946. Siegel modeled his enterprises on the long-running