Manhattan 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 1920–1933, Prohibition helped create a thriving black market in liquor, upon which the Mafia was quick to capitalize. As in the whole of New York City, Manhattan experienced a sharp increase in crime during the 1960s and 1970s. 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
Meyer Lansky at the Hotel Nacional. This was the first full-scale meeting of American underworld leaders since the Chicago meeting in 1932. Present were such figures as Joe Adonis, Albert "The Mad Hatter" Anastasia, Frank Costello, Joseph "Joe Bananas" Bonanno, Vito Genovese, Moe Dalitz, Thomas Luchese, from New York; Santo Trafficante Jr. from Tampa; Carlos Marcello from New Orleans, and Stefano Magaddino, Bonanno's cousin from Buffalo. From Chicago there were Accardo and the Fischetti brothers, "Trigger-Happy" Charlie and Rocco, and, representing the Jewish interest, Lansky, Dalitz and "Dandy" Phil Kastel from Florida. The first to arrive was Luciano, who had been deported