A Johnson City Man Is Behind Bars After He Allegedly Attempted To Run Over Several Police Officers. Robert Stills Is Charged With Three Counts Of Aggravated Assault, Reckless Endangerment, And Other Charges. Stills Escaped On Foot After Attempting To Strike An Officer. Then After Being Apprehended, He Reportedly Tried Again To Strike Two More Officers With His Vehicle. Stills Is Being Held In The Washington County Detention Center Without Bond. He Will Appear Soon In Washington County General Sessions Court.