Down These Mean Streets (old Time Radio Detectives)

Rex Harrison (Professor Henry Higgins himself) stars as a suave private detective in The Private Files of Rex Saunders.  Along with his loyal assistant Alec, Rex Saunders tackles baffling cases with consummate class in this short-lived series.  We'll hear "The Plan in the Killer's Mind," originally aired on NBC on June 6, 1951.