He also inspired the fictional characters of Norman Bates (Psycho) and Leatherface (The Texas Chainsaw Massacre).
Bind, Torture, Kill
Dennis Rader was found guilty of 10 murders over the span of 17 years.
People were shocked to learn of the murders of his 33 teenaged boy victims because he played such an active, respectable role in his community.
A couple of Dahmer's victims escaped, but he was able to persuade the police that they were simply drunk or high and that's why they were not making any sense.
Also known as the Green River Killer, he was convicted of 49 confirmed murders, but is presumed to have close to 90 victims.
While working as a nurse is Boston, she claimed she poisoned and murdered over 30 people because she enjoyed the thrill of killing.
Technically, the powerful cult leader did not murder anyone, but influenced his family of followers to murder seven people.