David Zayas as Angel Batista and Geoff Pierson as Deputy Chief Tom Matthews in Dexter : DEXTER Season 8 Episode 4 Scar Tissue Photos : Dexter tracks down another potential serial killer from Dr. Vogel’s list. Quinn celebrates his passing of the Sergeant’s exam by defending Debra’s honor in a fight. Dr. Vogel begins treating Debra for her PTSD.
