Motorcyclist killed in Stockton crashSTOCKTON — A motorcyclist traveling at a high rate of speed westbound on Eight Mile Road at Thornton Road around 2:53 a.m. Sunday collided with the rear of a slower moving van in front of him and sustained fatal injuries, Stockton police reported.The victim’s name was not released pending notification of family members.The motorcyclist was pronounced deceased at an area hospital.