Movies like Knock Knock

Rico was just a big, fun-loving son of a hard working neighborhood business man. The problem is his dad is an undertaker. Some popular high school Students thought he was weird because of it. Rico kept to himself and helped his dad around their funeral home after school. One night after a high school pep rally, some of those students wanted to have a little fun. The town would never be the same. Local cops have never seen anything like it. The beautiful detective thought she knew it all. Is the drunken old detective right? Why was it happening? Who will be next?