The man arrested Wednesday after an hours long standoff with Santa Clarita Valley Sheriff’s deputies had 144 guns in his house at the time, officials said.

On Wednesday, Dec.  6, at approximately 7:45 a.m., deputies responded to the 25200 block of De Wolfe Road in Newhall after a report of a man with a gun involved in a domestic disturbance.

The man was later identified by Sheriff’s officials as 52-year-old Robert Mount.

Deputies arrived and contacted two victims who told them Mount had pointed a handgun at them and threatened them during a domestic incident. This apparently stemmed from an unreported spousal assault from the previous evening.  

The victims reported he had numerous firearms at the location and was still inside the home.

Deputies surrounded the residence and made several attempts to communicate with Mount and have him exit the residence, but received no response. The Sheriff’s Department Crisis Negotiation Team and Special Enforcement Bureau (SWAT) were notified and responded.

Numerous residents in the surrounding area were evacuated while Station Detectives secured a search warrant.        

At approximately 2:06 PM, communication with the suspect was made by Crisis Negotiation Team members and the suspect surrendered without incident.

“Around 2 p.m. today, the suspect came out of the house, and had said he was sleeping,” said Shirley Miller, spokeswoman for the Santa Clarita Sheriff’s Station. “We took him into custody peacefully, there were no injuries and the neighborhood has been rendered safe.”

Detectives then served the warrant and searched the residence. They discovered 144 guns, both rifles and handguns, in the home

Detectives and firearm experts are examining the seized weapons as the investigation is continuing.

It is anticipated that several rifles will be identified as being in violation of California firearms laws.

Mount remains in custody Thursday night on charges of spousal assault, assault with a deadly weapon, and weapons laws violations. Bail has been set at $175,000.

Anyone with information about this incident is encouraged to contact the Santa Clarita Valley Sheriff’s Station at (661) 255-1121. If you prefer to provide information anonymously, you may call LA Crime Stoppers at (800) 222-TIPS (8477), or by clicking here.

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