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Warren Pennick of Lansdale pleads guilty, but insane

Published On: Jan 14 2014 05:30:51 PM EST   Updated On: Jan 15 2014 08:04:38 AM EST

A Montgomery County man will be spending decades behind bars after pleading guilty to killing his mother.


Warren Pennick of Lansdale pleaded guilty but mentally ill to third degree murder in Montgomery County Court Tuesday.

Assistant District Attorney Jordan Friter reported 55-year-old Pennick was sentenced to 20-40 years in prison for the Halloween 2012 slaying of his mother.

Investigators said Pennick repeatedly stabbed his 79-year-old mother, Lorraine Pennick, and slashed her throat in their Lansdale home before leaving the 7-inch knife on her chest, changing clothes and walking to the police station to confess.


Pennick's attorney said his client has suffered since childhood from paranoid schizophrenia and delusions.