GRASS VALLEY POLICE DEPARTMENT Friday — 45 calls for service 12:17 p.m. A caller from the 800 block of Forest Glade Circle reported a large kitchen knife located in his back yard. 3:37 p.m. a caller from South Auburn and Empire Street reported a woman wearing orange stumbling in and out of traffic. 4:58 p.m. A caller near Prosser Creek reported a possible poached Big Horn sheep carcass. 7:30 p.m. A caller from West Main and North Church streets reported a hit and run. Contact was made with a witness. Attempts to contact the victim were unsuccessful. Saturday — 30 …