 The murderer, who is revealed to be Santini, attempts to shoot at Betty on stage.Santini evades capture and pounces on Betty in her dressing room, dragging her to a far-flung corner of the building.Santini reveals that he was once the young teenage lover to Betty's mother and murdered young women at her behest, but killed the mother as well due to her escalating demands from watching his deeds; Betty witnessed the murder from behind a partly open door.