A Johnson City Man Accused Of Traveling Over 100 Mph When His Car Crashed Into Another Vehicle With Such Violence, It Severed The Victim’s Spinal Cord, Has Had His Case Bound Over To A Washington County Grand Jury. 31 Year Old Preston Huff Is Charged With Vehicular Homicide, Aggravated Assault And Possession Of Drug Paraphernalia. The Crash On East Watauga Avenue Claimed The Life Of 31 Year Old Adam Cates. A Female Passenger, 41 Year Old Valerie Elliott Remains Hospitalized. Huff Remains Held On A 150-Thousand Dollars Bond. The Grand Jury Will Meet Next Month.