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Laura Seitz, Deseret News
West Valley police investigate the scene of a shooting near 4900 W. S. Frontage Road in West Valley City on Friday, Jan. 13, 2017. According to police, witnesses said a man and woman were arguing inside a vehicle in a parking lot about 8 a.m. The pair got out and the man fired multiple shots, hitting the woman and then shooting himself.

WEST VALLEY CITY — Police say a man shot his wife before turning the gun on himself in an apparent murder-suicide in a West Valley parking lot Friday.

An employee who witnessed the shootings when arriving at work told police the couple was arguing inside a car about 7:50 a.m. in a business parking lot at 4900 W. S. Frontage Road and then got out of the vehicle.

That's when 47-year-old Nolan Lee Anderton shot his wife, 48-year-old Louann M. Anderton, multiple times before shooting himself in the head, according to West Valley police.

The two were taken to an area hospital where they died around 11 a.m., West Valley Police Lt. Jeff Conger said.

The deaths appear to be related to domestic violence, with no known connection to the business at the location of the shooting, Conger said. According to witness details, the car was driving west inside the parking lot "at a high rate of speed" shortly before the shooting, he said.

Louann Anderton is from Tooele, and Nolan Anderton was living in southern Utah, the lieutenant said.

They were in the middle of divorce proceedings, according to court records. Nolan Anderton filed for divorce in early September.

Conger said it wasn't clear what motivated the shooting.

"We don't know why they were arguing, any background," he said. "We don't have any history with them."

Nolan Anderton had no significant criminal history in Utah, according to court records.

It's possible the couple met up in the parking lot after both driving there, but police were still investigating that possibility Friday, according to Conger.

One woman who identified herself as a relative of the couple shared a post on Facebook mourning their loss.

"I'll miss you," the post states, "may you find peace with our Lord."

Help for people in abusive relationships can be found by contacting the YWCA, Women in Jeopardy, 801-537-8600; or the Domestic Violence Hotline, 800-897-LINK (5465).