A Johnson City Man Being Held In The Washington County Tennessee Detention Center Has Died. According To Sheriff Ed Graybeal, 44 Year Old Ralph Hamilton Was Found Unresponsive In His Cell Yesterday. He Was Transported To The Johnson City Medical Center Where He Was Later Pronounced Dead. Hamilton Was Behind Held On Failure To Report And A Violation Of Probation Charges. No Foul Play Is Suspended. The Tbi Is Conducting An Investigation.