ROCHESTER, N.Y. (WROC) — A Rochester man was arrested Monday after police said they found a handgun with 3D printed parts in his possession. According to the Monroe County Sheriff's Office, deputies stopped a Honda Accord in Gates around 3:15 p.m. They claim the driver "exhibited nervous behavior" and had a black bag between his feet. Police said the driver, Tamareion Roundtree, 19, was detained when deputies discovered his license had been suspended. In the bag, police allegedly found a handgun with a 3D printed frame, no serial number, and a loaded magazine. Roundtree was arrested and charged with criminal possession of a weapon and aggravated unlicensed operation of a motor vehicle.