New York mobster, Peter LaTempa became a witness against what enforcer in the American Mafia?
Peter LaTempa: Peter LaTempa (1904 - January 15, 1945) was a New York mobster and associate of the Genovese crime family, who later agreed to become a government witness against Vito Genovese. Vito Genovese: Vito "Don Vitone" Genovese (November 27, 1897 – February 14, 1969) was an Italian-American mobster who rose to power during Prohibition as an enforcer in the American Mafia.
Vito Genovese