BOONE COUNTY â The Missouri State Highway Patrol says they have identified the car and driver involved in Sunday's fatal hit-and-run on Interstate 70. A vehicle hit a pedestrian early Sunday morning near 121 mile marker in Boone County and drove off. The Boone County Medical Examiner pronounced 27-year old Zachary Isbell dead at the scene. Zachary Isbell was found on Interstate 70 around 6:30 a.m. Sunday, after a hit-and-run in Boone County. MSHP Cpl. Kyle Green said the patrol won't release information involving the vehicle or the driver until the prosecutor files charges. According to MSHP, the incident occurred around 2:30 a.m. and a passing driver discovered Isbell around 6:30 a.m.