>> investigators dre carpenter and adrian sandoval are about to launch a search with their fellow officers. it's one of many tactical measures they take on a regular basis. >> sounds like there's guys in the big room. >> to make sure that a jailhouse war never erupts. >> you want us to go in first, you guys go straight to 16? you guys ready? you ready? let's do it. >> get on them bars right now, let's go! >> you work with the police before? >> a lot. >> a lot. >> you ready? >> get on the bars right now. get on them bars, let's go. >> get on the bars. >> on the bars! >> get on those mother -- bars. >> catch them bars. >> lean forward. >> this ain't no trust, this is business. you hang up when i tell you to hang up and do what you told. follow orders. how much you looking for? >> put your hands behind your back. >> it is what it is. >> carpenter and sandoval are part of the criminal intelligence unit or ciu, have participated in thousands of tier searches to date. >> give me 19, unlock 19. >> step out. hands on your friend, my friend. step over one time, two times coming out. >> you guys got