64-year-old Arthur Rubin has been charged with 2nd Degree Murder.
Investigators say Mr. Rubin called a family member after Mrs. Rubin died.
The couple had reportedly been involved in a domestic dispute.
Police say they noticed strangulation marks on her neck. The medical examiner ruled the death a homicide.
Mr. Rubin, was found Wednesday in his wife's car and had apparently slashed his wrists and torso. He was hospitalized and arrested on murder charges after police say he made statements implicating himself.
He was in stable condition. The name of his lawyer was not immediately available.
(The Associated Press contributed to this report)