A San Diego maintenance worker is on the run after police say he repeatedly ran over his estranged wife with his pickup truck, killing her.
Police believe the suspect, 37-year-old Cesar Castillo, may have fled to Mexico.
Witnesses told police they heard screaming before seeing a white pickup truck hit a woman in Chula Vista, California, just before 7 p.m. Friday. The driver then circled back and struck her again, according to Chula Vista Police Sgt. Rustin Rea.
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Police said the woman, who has not been identified, died at the scene from head and internal injuries.
A neighbor told NBC 7 he walked out of his house as soon as he heard the truck crash through a fence in a yard. He came out in time to spot the vehicle driving up on the sidewalk and away.
"I called 911 as soon as I saw that," he said. "I wish I had taken video tape or pictures or something. It was brutal."
Investigators believe Castillo intentionally ran over his estranged wife, who was standing in a front yard. The truck also hit two fences and a vehicle in the yards.
"I feel bad that it happened, especially after Thanksgiving, and it was horrific," the neighbor said.
The suspect is employed as a maintenance worker in the Mission Bay area, according to police officials.
Police say Castillo is driving a white 1998 Chevy Silverardo with California license plate 6H89420 and right front-end damage.
Police called in a helicopter to help with the search Friday night. Anyone with information on Castillo's whereabouts is asked to call them at 619-585-5665.