A Johnson City Man Is Accused Of Sexually Assaulting A Juvenile On Several Occasions Last Year While He Was Underage Himself. 18 Year Old John Robert Barnett Is Charged With Four Counts Of Rape Of A Child And Four Counts Of Incest. He’s Currently Being Held In The Washington County Detention Center Under 200-Thousand Dollars Bond. Barnett Will Appear In Washington County Juvenile Court On November 9th.