A Johnson City Man Is Behind Bars For Allegedly Seriously Injuring A Delivery Driver During An Armed Robbery. 20 Year Old Matthew Dammann Is Charged With Especially Aggravated Robbery And Theft Under 500 Dollars. The Charges Stem From His Arrest For Robbing Brad Booker, A Driver For Mid City Grill, At Gunpoint On January 13th While He Was Making A Delivery On Wyndale Road. Dammann Is Being Held In The Washington County Detention Center On A 51-Thousand Dollar Bond. He Is Scheduled To Appear In Sessions Court On Friday.