Jeffrey Dahmer was an American serial killer. Also known as the Milwaukee Cannibal, Dahmer is convicted of drugging, murdering and dismembering of atleast 17 men and boys. He preserved his victim’s body parts, mainly skull and would also collect photographs of the victims, at various murder stages, to relive the experience. He was caught when his 18th victim was able to escape and contact the police in 1991. When his appartment was searched, the police found 4 severed heads, 7 skulls and 2 human hearts. He was sentenced to 16 life imprisonment, however in 1994; he was killed by a fellow inmate. Dahmer is notorious even among serial killers.