A routine traffic stop in Santa Rosa produced more than a police officer bargained for when the driver appeared to be wearing a “Jason” mask.
Just before 10 p.m. Saturday, the Santa Rosa Police Department said an officer noticed a gold Toyota Camry without headlights or taillights.
After stopping the car, police said the driver was found to be wearing a “Jason” mask.
According to police, the officer described the driver as “nervous” and noted that he was “sweating profusely.”
FLORIDA MAN BUYS MASK AT GAS STATION BEFORE BOTCHED ROBBERY ON STREET: POLICE
The Santa Rosa police officer then located an AR-15-style rifle lightly concealed by a blanket in the back seat.
Police said the firearm, which was unloaded, was an unregistered assault weapon and was not legal to possess.
NEW YORK MAYOR ADAMS SAYS HE SUPPORTS BAN ON MASKS TO REDUCE CRIME: 'COWARDS COVER THEIR FACE'
The driver, identified as Adonay Efriem, 27, of Santa Rosa, was arrested without incident.
Efriem was booked into the Sonoma County Adult Main Detention Center for possession of an assault weapon.
FLORIDA MAN ALLEGEDLY TELLS POLICE HE IS 'MR. MONOPOLY' AND GOES STRAIGHT TO JAIL
According to the police department, the Santa Rosa Police Department Task Force was developed to address the increase in illegal firearms possession and the increase in gun violence in the city of Santa Rosa.
CLICK HERE TO GET THE FOX NEWS APP
“The Santa Rosa Police Department is committed to making the city of Santa Rosa a safe place to live, work and play,” the department said in a statement.
Fox News Digital has reached out to the Santa Rosa Police Department for comment.