The devil knew when to look attractive, and Ted Bundy was handsome, cultured, and charming. He was strangling and mutilating his victims, displaying their lopped off heads in his apartment, having sex with the corpses, until putrefaction made it unbearable. Then he was simply the devil. By 1989 he was executed in the electric chair at age 43. He confessed to 30 murders, but there were possible at least 4 more. He was an insatiable killer, and a law student who began killing at 14.
Carl Panzram was a lifelong prisoner and a hate-filled serial killer. Brutalized in and out of various U.S. state prisons during 20th century America, Panzram unleashed a rampage of revenge that resulted in over 20 murders and countless acts of violent sodomy. A single act of kindness, by prison guard Henry Lesser, sparked a friendship that eventually influenced Panzram to write his autobiography. In 1930, Panzram was hanged for killing a laundry foreman at Leavenworth prison.
Armin Meiwes is a German man who achieved international notoriety for killing and eating a voluntary victim whom he had found via the Internet. After Meiwes and the victim jointly attempted to eat the victim's severed penis, Meiwes killed his victim and proceeded to eat a large amount of his flesh.
Ripper Crew or Chicago Rippers was a satanic cult and organized crime group composed of Robin Gecht (who once worked for the serial killer John Wayne Gacy) and three associates (Edward Spreitzer with brothers Andrew and Thomas Kokoraleis). They were suspected in the disappearances of 18 women in Chicago, Illinois in 1981 and '82.