>> fueled by evidence of an imminent attack, officers launch a prison-wide shakedown of the entire southern hispanic population. our producers are allowed to follow isu as they target one of several cells. >> all right. so we know our target cell, right? one or two? okay. we've got two inmates in there. locked down inmates. southern hispanics. standard protocol. when we hit that cell, just tactical cell search. are we straight? okay. cool. all right. let's roll. we're going to go through the section door. it's going to be the second cell door in, from when we enter the unit. we're going to go rushing into the door. we're going to pop the door. sometimes these guys fight with us. sometimes they comply with our orders. so there's a chance there could be chemical agents or use of force. like this is an unexpected type of a cell search. they don't know we're coming, and we use that element of surprise. okay, thanks. patrol. we good? okay. yeah.