VAN NUYS (CNS) — The late actor Ray Sharkey’s daughter has pleaded no contest to the bludgeoning death of her boyfriend’s mother in Reseda, and was found to be insane at the time of the crime.

Cecelia Bonnie Sharkey, 28, pleaded no contest to second-degree murder for the Sept. 19, 2015, killing of Patricia Metropoulos, 54, and was ordered to be sent to Patton State Hospital after the court’s finding that she was insane at the time of the crime, according to Ricardo Santiago of the Los Angeles County District Attorney’s Office.

Police said shortly after the killing that witnesses saw Sharkey swing and hit Metropoulos in the head with a bat. She has remained behind bars since that day.

Sharkey’s father, who starred in the “Wiseguy” television series, died in 1993 of complications from AIDS.