SAPD: Teen charged in slaying of man who confronted suspicious vehicle in gated community

Affidavit: Man told group to leave ‘because they did not belong there’

SAN ANTONIO – An 18-year-old man has been arrested in the fatal shooting of a 41-year-old father outside his Northwest Side home in late December, according to authorities.

Booking records show Jesus Monsivais Jr. was charged with murder on Tuesday, a week after the shooting on Dec. 29 at a home on Brentcove Street in the Finesilver Ranch subdivision.

An arrest affidavit has shed more light on the incident inside the gated community, which is located inside Loop 1604 near Braun Road.

The affidavit states officers found the shooting victim, Oscar Rene Castillo, lying at the end of the driveway outside the home. He had a single gunshot wound and was pronounced dead at the scene.

Police initially said that prior to the shooting, the man had walked outside to talk on his phone when he noticed a suspicious truck driving in front of his house.

Two witnesses told authorities that Castillo and the driver of the truck had an argument, and Castillo told them to leave “because they did not belong there.”

The driver and another person in the truck, later identified as Monsivais, got out of the vehicle to confront the man, investigators said.

As the driver turned his back to Castillo to get back into the truck, police said, Monsivais allegedly fired twice at Castillo, striking him once.

The group fled in the vehicle, which was captured by surveillance footage, police said.

Investigators said the truck could be seen entering the subdivision minutes before the shooting and leaving shortly after.

A male driver and a female passenger were seen in the front seats, police said.

Investigators found the truck on Dec. 30. Two witnesses were able to identify the suspect.

Booking records show Monsivais’ bond was set at $200,000.

Neighbors told KSAT that the shooting came as a shock.

“It was quite a shock for something like this to happen in this neighborhood,” said one neighbor who did not want to be identified. “This is the last place that you would think a shooting would happen.”

The neighbor described Castillo as a “good guy” and father.

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