Kingsport Police Are Continuing To Investigate A Fatal Shooting That Occurred Between Two Truck Drivers. It Happened Friday On Interstate 81 Northbound At Exit 63. Police Said Two Commercial Truck Drivers, 42 Year Old Alex Miller And A 34 Year Old Man Whose Identity Has Not Been Released, Were Each Driving Tractor-Trailers When They Came Into Contact With Each Other. The Two Drivers Pulled Over To The Side Of The Road. The Situation Apparently Escalated And Miller Was Fatally Shot By The Other Man. Police Said The Shooter Is Cooperating With Police And No Charges Have Been Filed At This Time.