A Kingsport Man Will Spend Time Behind Bars In Connection With A 2012 Valentine’s Day Wreck In Johnson City That Left His Girlfriend Dead. Cody Dingus Pleaded Guilty To Vehicular Homicide And Evading Arrest In January. He And His Girlfriend, 18 Year Old Sheridan Edwards Of Kingsport, Were Thrown From Their Vehicle Following A Short Police Chase. She Died Five Days Later. A Judge Sentenced Dingus To One Year In Jail Plus Three Years Of Probation. .