]Although Aron thought his father""s idea was a sound one, Cal disagreed with his father about the best approach to make a profit - and suggested another idea.Since the body was found at 3:00 am, Dr.Stuart surmised hat the murder occurred possibly at 2:15 or 2:30 am.But when Tibbs mentioned thatrigor mortis(with "post-mortem lividity") had already occurred, the time of death had to be much earlier.When Nurse Franco kept looking for others and couldn""t find anyone, she fled to her car to alert authorities.The Phantasm approached the third crime boss, Sal Valestra, to kill him, but he was already dead - killed by the Joker himself.