A Jonesborough Man Has Been Arraigned In Sessions Court After Police Said He Threatened Employees At A Johnson City Pawn Shop. 36 Year Old Clarence Duncan Is Charged With Aggravated Assault Following The Alleged Incident At Volunteer Pawn On South Roan Street. The Suspect Fled The Scene Before Authorities Arrived. He Was Arrested Later At His Home And Placed In Jail. Bond Was Set For Duncan At 25-Thousand Dollars.