Serial killer and former nurse's aide [Asswipe of Toledo] succumbed to his injuries on Thursday, two days after he was badly beaten in an Ohio prison.
[Asswipe], who was 64, was serving 15 life sentences after agreeing to a plea deal in 1987 for 35 murders to avoid the death penalty. ... He is believed to have killed as many as 87 people during his 18-year murder spree. [Asswipe] used cyanide, rat poison and arsenic to kill his victims. Some of the patients were suffocated when he let their oxygen tanks run out.