A Bristol Tennessee Man, Facing Charges After His Car Struck And Killed A Man Walking Along Highway 421 In Sullivan County, Has Been Arraigned In Sessions Court In Sullivan County. It Happened Monday Morning. 53 Year Old Charles Callahan II Is Charged With Vehicular Homicide, Dui And Tampering With Evidence. The Tennessee Highway Patrol Said Callahan Was Driving South On Highway 421 When His Car Veered Off The Road And Struck 58 Year Old Jeffrey Rouse Who Was Walking Along The Roadway. He Was Pronounced Dead At The Scene. Callahan Remains In The Sullivan County Detention Center Under A 50-Thousand Dollar Bond. His Next Court Hearing Is Set For January 17th.