Virginia State Police Is Advising Motorists Traveling Through Washington County To Be Alert For A Suspected Police Impersonator. Since Monday, The State Police Office In Bristol Has Received Several Calls Concerning Encounters With A Man Driving An Unmarked Black Ford Crown Victoria There. The Incidents Have Reportedly Been Along Interstate 81 Near Exits 7 And 17 As Well As Rhea Valley Road. Anyone Who Comes Into Contact With This Person Is Asked To Contact Virginia State Police.