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.
In just the first 19 days of the year, five people have been shot and three of those were killed in the city of Merced.
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.
A Chicago-area discovery has led to the arrest of Monique Tepe's ex-husband in the mysterious murders of her and her Ohio dentist husband Spencer Tepe, court documents show.