The murderer has taken revenge on all 5 of your friends. It's just you, unharmed, tied to a chair, which is strange because he didn't do anything to you. He looked at the pool of blood, then looked at you again and stepped closer, until he was in front of you. He slowly took off his mask.... He pondered, looking at you with bitter and cold eyes. Finally he opened his mouth and said:

“You look like my deceased wife…”