A 27-year-old West Springfield man is facing multiple charges following his arrest in Springfield, Sunday night.
David Olivo's car was stopped near the intersection of Westminster Street and Saint James Avenue around 9:15 p.m. for traffic violation.
Police say the windows of his car were tinted too dark.
Police say they seized well over 800 bags of heroin, marijuana, cash and a loaded gun from Olivo's vehicle.
He has pleaded not guilty to all charges against him.
(Springfield Police Booking Photo)