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REDWOOD CITY — A 43-year-old man fatally shot himself in the face Tuesday after showing up at his ex-wife’s workplace and threatening her with a handgun, capping a string of domestic violence incidents that began earlier this month, police said.

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Redwood City: Hit-and-run leaves pedestrian on life support A Redwood City police officer also fired a round during the incident but it wasn’t immediately clear if it hit the ex-husband.

Officers went to the 400 block of Penobscot Drive at 2:15 p.m. after receiving a “frantic” 911 call from a 44-year-old woman who said her ex-husband was chasing her in the parking lot of her workplace with a handgun, said Deputy Chief Gary Kirby.

The woman told dispatchers that she had a restraining order against her ex-husband and that he owned multiple firearms.

Kirby said the man wanted to talk to his ex-wife and stopped his pickup truck in the middle of the parking lot. When she didn’t want to talk, he reportedly retrieved a handgun from his vehicle.

He threatened her and fired at least one round into the air before officers arrived, Kirby said.

When the police showed up, the man took off running. He stopped on the 200 block of Saginaw Way. Officers tried to get him to surrender but he reportedly pointed a firearm at them and then himself.

“Unfortunately, there was an exchange of gunfire,” Kirby said. “One of our officers fired one round, and we believe that (the ex-husband) discharged a round at himself into his face.”

The ex-husband, who was not identified Tuesday, was pronounced dead at the scene.

Officers who responded to the scene didn’t know it at the time, but there had been other incidents involving the man, Kirby said. On March 9, officers arrested him following a “low-level” domestic dispute and the next day issued an emergency restraining order. Multiple firearms that were registered to the ex-husband were also confiscated at the time.

Another confrontation took place on March 14, and the ex-wife was granted an extension for the restraining order.

“The officers knew a couple of facts coming into the incident that prepared them for the confrontation,” Kirby said. “They knew they were basically working with an individual who was not of his right mindset because he was confronting his ex-wife in a very volatile manner.”

The San Mateo County District Attorney’s Office is handling the investigation into the officer-involved shooting. The officer, who was not identified Tuesday, has been placed on routine paid administrative leave.

Staff photojournalist Karl Mondon contributed to this report.