An 18-year-old man was arrested in San Mateo after a traffic stop in which officers found a machine gun and drugs in his car, police said.
An officer pulled over a driver for illegal window tint and expired registration around 1:37 p.m. Friday near the intersection of Delaware Street and 25th Avenue, according to the San Mateo Police Department.
Officers saw an open bottle of tequila and smelled marijuana in the vehicle, police said. They conducted a probable cause search, during which they found a Glock pistol with a multi-burst trigger, an extended magazine and one round in the chamber, according to the police department…