Traffic stop in Arroyo Grande uncovers firearms, explosive, narcotics
Bomb Task Force removes device from Arroyo Grande residence
– San Luis Obispo County Sheriff’s Office deputies discovered firearms, narcotics, and an improvised explosive device during a traffic stop and subsequent search in Arroyo Grande on Oct. 17.
At about 3 a.m., deputies conducted a traffic stop in the 600 block of Mesa View Drive. During the stop, deputies found drug paraphernalia, narcotics, and a firearm inside the vehicle, according to the Sheriff’s Office.
Following the initial stop, deputies went to the 600 block of Ralcoa Way in rural Arroyo Grande. Based on information gathered at the scene and further investigation, deputies and detectives from the Special Operations Unit obtained a search warrant for a residence.
During the search, deputies recovered multiple firearms, illegal narcotics, and an improvised explosive device. The San Luis Obispo County Bomb Task Force was called to the scene and safely removed and disposed of the device.
In total, three firearms, about 6.3 ounces of suspected methamphetamine, and one improvised explosive device were seized.
Michael Rosso, 64, of Arroyo Grande, was arrested without incident and booked into the San Luis Obispo County Jail. He faces charges of felon in possession of a firearm (29800(a)(1) PC), prohibited person in possession of ammunition (30305(a)(1) PC), possession of a destructive device (18710 PC), possession of a controlled substance for sale (11378 HS), armed with a firearm during commission of a felony (12022(c) PC), and possession of drug paraphernalia (11364(a) HS).








