An Ohio man is dead after a New Year's Day argument with his roommate over house rules turned fatal. Robert Palermo, 24, has been charged with aggravated murder in connection with the death of John "Lefty" Grehn, 61, who was a longtime friend of his father's. The incident reportedly occurred on Thursday, January 1, after the two men got into an argument over whether Grehn's dog should be allowed to stay inside the house.