Two adult males committed assault with a deadly weapon against two adult victims during a verbal altercation and were arrested.
San Mateo, CA – On July 28, 2025, at 10:53 a.m., the San Mateo Police Department responded to the area of S Railroad Ave and Birch Ave for a report of a subject brandishing a knife during a verbal altercation. Officers arrived on scene, and two adult males, Ramiro Antonfrancisco, and Willy Gomezperez, were detained. It was alleged to officers that, during a road rage incident, Antonfrancisco had swung a sharp object at two separate adult victims, and that both Antonfrancisco and Gomezperez tried to strike one of the victims with fists.
Over the course of the investigation, officers obtained multiple victim and witness statements, as well as independent surveillance footage, that established probable cause to arrest both Antonfrancisco and Gomezperez for violations of assault with a deadly weapon and conspiracy to commit a crime. Antonfrancisco and Gomezperez were booked into the San Mateo County Jail for their charges.
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ARRESTED
Ramiro Antonfrancisco, 21 years old, San Mateo resident
Willy Gomezperez, 21 years old, San Mateo resident
CHARGES:
Antonfrancisco-PC 245 (a) (1)-Assault with a Deadly Weapon not a Firearm, PC 182 (A) (1)-Conspiracy to Commit a Crime
Gomezperez- PC 245 (a) (1)-Assault with a Deadly Weapon not a Firearm, PC 182 (A) (1)-Conspiracy to Commit a Crime
Address/Location
San Mateo, CA Police Department
200 Franklin Pkwy
San Mateo, CA 94403
Contact
Emergency: 9-1-1
Non-emergencies: 650-522-7700
TEXT-A-TIP - Text TIP SANMATEOPD followed by your message, to 888777
