35 Serial Killers the World Wants to Forget 1x6

Army veteran and ex-police officer, Dennis Nilsen asphyxiated young men, stored their bodies before dismembering them. Rodney Alcala was a sadistic rapist and serial killer who had murdered 4 women by the time he appeared on the popular television show, the Dating Game. Thrill Killer J R Chavez terrorised Dallas, shooting dead 5 people in one night.