walter arrives home during the commotion. he has been in the hospital and had asked the klopeks to collect his mail while he was away. after ray had earlier slipped walter's toupee into the mail slot after absentmindedly putting it into his pocket, it was mistakenly gathered up with the mail. that is why it was in the klopek's house. ray declares he and the others were wrong about the klopeks before climbing into the ambulance to go to the hospital.