An Elizabethton Man Accused In A Road Rage Incident On Interstate 81 Is Behind Bars In Greene County. 35 Year Old Matthew Pilkington Is Charged With Aggravated Assault. The Victim Told Police That A Vehicle Was Driving Recklessly And Weaving In And Out Of Traffic. Pilkington Allegedly Pulled Out A Gun And Pointed It At The Victim. Tennessee Highway Patrol Troopers Pulled Him Over And Found An Air Soft Pistol And A Knife.