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In the first episode of a two-part story, the FBI squares off against La Cosa Nostra (evidently J. Edgar Hoover had finally acknowledged the fact that Organized Crime really did exist!) Inspector Erskine (Efrem Zimbalist Jr.) is hoping that dissension within the ranks of the Mob will cause the hierarchy to collapse under its own weight. He may be right: A power struggle involving Mafia chieftan Ed Clementi (Telly Savalas) currently threatens to spark a full-scale turf war. Originally telecast March 12 and 19, 1967, the two parts of "The Executioners" were later combined and released theatrically overseas as Cosa Nostra, Arch Enemy of the FBI.