The Kootenai County Sheriff’s Office is requesting assistance from the public in its current investigation of the hit and run accident that occurred on August 16 about 8:45 p.m. on Garwood Road, north of the city of Hayden, Idaho.  The 20-year-old female victim was riding her horse in the area when the horse was struck from behind causing serious injuries to the rider.  The vehicle was described as a dark colored full size pickup with a contractor’s or similar rack. Anyone with information is asked to contact Detective Jason Austin at the Kootenai County Sheriff’s Office at (208) 446-1300.