While Lila is retrieving her "Mother" costume from the cellar, a figure steps out of the shadows and murders her. Meanwhile, the police dredge the swamp and find a car with Toomey's body in the trunk. Mary runs to the house to try to convince Norman to flee. Norman answers the phone and starts speaking to "Mother". Mary listens in; nobody is on the line with Norman. While Norman debates with "Mother" about her command to kill Mary, she runs into the cellar and dresses up as Mother, complete with butcher knife, in an unsuccessful bid to get Norman to "hang up". Dr. Raymond grabs her from behind, thinking he has caught her in the act of trying to drive Norman insane, and in her fright Mary plunges the butcher knife into his heart.