India, May 4 -- A US nurse, who killed three patients and tried to kill more than a dozen more at nursing facilities across Pennsylvania, has been sent to life in prison, media reports said.

Attorney General Michelle Henry announced that a western Pennsylvania nurse will spend the rest of her life in prison, without the possibility of parole, for intentionally administering lethal doses of insulin to patients at numerous skilled nursing facilities.

Heather Pressdee, of Natrona Heights, pleaded guilty to three counts of first-degree murder, and 19 counts of criminal attempt to commit murder, read a statement issued by the Pennsylvania attorney generals office.

Pressdee, 41, pleaded guilty to avoid the death penalty, her attorney Phillip...