Anthony Salvatore Casso, nicknamed "Gaspipe", was an American mobster and underboss in the Lucchese crime family of New York City. Regarded as a "homicidal maniac", Casso confessed to involvement in between fifteen and thirty-six murders. In interviews, and in court testimony, Casso confessed involvement in the killings of Frank DeCicco, Roy DeMeo and Vladimir Reznikov. He also admitted to several attempts to murder Gambino family boss John Gotti.