staff will review surveillance video of the fight. >> at that table is four detainees including daniel espinozayou can see mr. espinoza looking back to see where the officer's are positioned. this gentleman knows the attack is coming and he's vacating the area because he doesn't want to be a participant. as the gentleman raises his arm, it's ready. he strikes the victim. you see mr. es pa snows sa arrive, who joins in and what ensues is a flurry of punches and kicks to an essentially defenseless detainee. >> reporter: if additional criminal charges are filed against espinoza, the most likely charge would be assault and battery. a conviction could then send him to state prison for up to eight years. >> most people come into the building. they don't want to make -- what they have worse. so they generally keep really bad behavior in check on their own. yeah, there's a lot of fights and stuff like that, but they go too, too far. a person to pick up an additional charge like this is actually very rare. >> reporter: the long-term consequences are still unknown, it's day-to-day life back in the box is