Israel "Icepick Willie" Alderman was a Las Vegas, Nevada casino investor and manager with ties to organized crime. Along with his associates Meyer Lansky, Bugsy Siegel, Moe Sedway, David Berman, and Gus Greenbaum, he was involved in the El Cortez, the Riviera, the Flamingo, and the Las Vegas Club. Prior to living in Las Vegas, he was mob enforcer in Minneapolis, Minnesota, where he was given his nickname based on his perfection of the icepick method of murder.