chunk: Kim finds Nick and frees him. As they prepare to escape, they are confronted by the killer who attacks Nick but not Kim. Eventually in the ensuing brawl, Kim bluntly strikes the killer's head with his own axe. She and the killer then stare at each other for a moment and Kim realizes who he really is. He runs outside where the police have arrived. As guns are raised Kim screams for Lt. McBride not to shoot him. The killer then collapses on the ground and is revealed to be Alex, who is Robin's twin. He tearfully tells his sister that Jude, Kelly, Wendy and Nick were responsible for their sister's death. The film ends as he cries Robin's name and dies. Kim sheds a tear for the death of another sibling.