A traffic stop in San Mateo yesterday led to the arrest of 20-year-old Josiah Garcia, of Antioch. A San Mateo Police officer discovered a modified Glock 22 pistol capable of fully automatic fire during a vehicle search, with the incident occurring on Highway 101 at Holly Street, per a San Mateo Police Department report.
The firearm, found under the front passenger seat where Garcia was seated, had a “switch”, a device which converts a semi-automatic weapon into a fully automatic one, and this discovery during the traffic stop for multiple vehicle code violations led to probable cause for further investigation. Garcia was arrested and several charges were brought against him, including the conversion and possession of a machine gun and carrying a loaded, concealed weapon. Garcia was booked at San Mateo County Jail without incident…