A Johnson City Man Accused Of Pulling A Woman Out Of Her Car At Knifepoint Remains In Custody. Bobby Porter Is Charged With Aggravated Assault. The Charge Stems From An Incident That Occurred Yesterday On Hamilton Street That Was Initially Reported As A Carjacking. The Woman Didn’t Suffer Any Injuries In The Incident. Porter’S Being Held On 15-Thousand Dollars Bond And Is Set To Be Arraigned Later Today.