
San Mateo County Sheriff's deputies, in an early Tuesday morning operation in Half Moon Bay, apprehended a driver and passenger on multiple offenses, which included the recovery of a loaded semi-automatic firearm. This incident marked the second time within four days that a firearm was seized during a traffic stop along the coastal area, escalating concerns around public safety and illegal arms possession.
According to a press release from the sheriff's office, a deputy on proactive patrol noticed several vehicle code violations around 12:30 a.m. The vehicle's driver, attempting to skirt law enforcement, was later located in a parking lot adjacent to Amesport Landing. During the stop, evidence of alcohol and cocaine impairment surfaced, and the driver's agitation escalated.
The passenger's agitation quickly followed suit, presenting a challenge as they resisted law enforcement commands when the vehicle was stopped, complicating the arrest. As the investigation unfolded, further findings included a loaded semi-automatic firearm, a separate loaded magazine, drug paraphernalia, and other incriminating items within the vehicle.
As detailed by the sheriff's office, the driver, identified as 26-year-old Matias FuentesSantini of Half Moon Bay, faces charges including possession of a loaded firearm in a vehicle, being under the influence while in possession of a loaded firearm, and driving under the influence of drugs and alcohol. Iris M. Grant, a 20-year-old from El Granada, was also arrested at the scene, charged with being drunk in public and obstruction.
The San Mateo County Sheriff's Office reiterated its commitment to public safety and enforcing laws related to illegal weapons. They encourage community members to anonymously report any illicit weapon possession or transportation by contacting the Sheriff's Office tip line at 1-800-547-2700.









