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Warren Pennick of Lansdale pleads guilty, but insane

By 69 News & Associated Press, (follow: @69news), news@wfmz.com
Published On: Jan 14 2014 04:30:51 PM CST
Updated On: Jan 15 2014 07:04:38 AM CST

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

NORRISTOWN, Pa. -

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.