Nick Reiner is accused of fatally stabbing his parents at the family's home.
The doctor who is accused of gunning down his ex-wife and her husband had allegedly told his ex "he could kill her at any time," according to court documents.
Michael McKee, the doctor indicted on murder charges in the December shooting deaths of his ex-wife and her dentist husband in their Columbus home, pleaded not guilty to the killings on Friday.
The New York Times is reporting that Rob Reiner's son was placed in a yearlong mental health conservatorship in 2020 by a judge, allowing him to be involuntarily held for psychiatric treatment.
A Chicago man is expected in court Monday in connection with the double murder of his ex-wife and her Ohio dentist husband just before the new year.
Prosecutors say the man killed had been lured to the home to frame him for Christine Banfield's death - and to make his own killing appear to be an act of self-defense.