Mr. Jingles is the product of electric shock therapy and a psych hospital that convinces him that he's a serial killer. In reality, he goes to jail for the murders that Margaret committed — but the psych hospital doesn't know that. With Rita's newfound support, Mr. Jingles escapes and makes his actual first kills when he returns to Camp Redwood. After Margaret's attempt at killing him, Mr. Jingles will, for sure, be out for revenge.