 This causes Leo to reveal that he is the killer, and that Danny (who was his biological brother) has been "speaking" to him, ordering him to avenge his death by murdering everyone involved in it.Leo tries to kill Rachel, but she shoots him with his own gun, revealing before she does so that she purposely drowned Danny, who she hated.In a post-credits scene, Rachel is shown walking away from the camp as Leo gets up, and puts his mask on after it is pushed across the floor by an invisible force.