A Johnson City Man Accused Of Using A Baseball Bat To Assault Another Man During An Altercation, Is Behind Bars. 29 Year Old William Shamblin Is Charged With Aggravated Assault In The Incident Early This Morning At A Home On Veterans Way. The Victim Told Police, The Two Got Into An Argument With Shamblin Allegedly Striking Him Multiple Times With A Baseball Bat. The Victim Was Treated At A Local Hospital For A Possible Broken Arm. Shamblin Is Being Held On A 30-Thousand Dollars Bond And Will Be Arraigned This Afternoon In General Sessions Court.