. >> for officer ed massey who came to spring creek from the military, diligence is rule one. >> i'm watching the inmates, i'm looking for what you'd call body language, posturing. if there's a problem, they will posture. if you're watching you can head off stuff before it starts. >> that's the one i was looking at. i think he's all right. he's just messing around, probably. >> you're always making sure that you have an escape route if you need one. if that's locking myself in a cell or whatever. >> spring creek enforces a zero tolerance policy for inmate infractions. >> our department use of force policy is called p-a-i-d, p.a.i.d. it's passive aggressive, intermediate and deadly. we always try to start with passive. you talk to a prisoner, show a presence of staff. hopefully that will talk him down. >> on this day, an argument in the lunch line has led to a full-blown fight between two inmates. officers place them under arrest. >> you need to respond to me so i know you're all right. >> let's go a little bit more. >> we have had trouble with him before. he just came out of our unit