Werewolves

S6 E11: CSI investigates the murder of a man who was covered in hair from head to toe and shot in the heart with a silver bullet. After learning that Hypertrichosis, "The Human Werewolf Syndrome," runs in his family, his recluse twin werewolf sister, who had been hiding inside his house for fifteen years, may hold the key to discovering why her brother was hunted down like an animal.