so sergeant manny malgor's unit decide to increase the dose. manny sync: we're going to set up a burn box on the one side, the room, as soon as you come in through the front door, the first room on the right. let's go, set it up. narr: a burn box delivers a huge payload of chemical agent into the property all at once. man off: how much cs gas can somebody actually take? manny sync: oh, there's a lot of, there's a lot of factors in there, you know, the guy's tolerance, has he been exposed to it before, people tend to build a tolerance after a while, mental state, on deranged people it doesn't work as well, you know, there's 100 million things. narr: since srt arrived four hours ago, there's been no movement inside the house. manny then decides it's time to storm the gunman's home, and find him. manny sync: now listen. the barricaded subject search, alright, there is no hurry. i don't want two or three separate teams searching three of four different locations in case we get into a shooting, alright? do it. alright, i need kulic on the left. narr:

over the past month, the team leader, sergeant manny malgor, has taken every opportunity to examine him under pressure. >>before we get started on the briefing though, in keeping with tradition, dave rivera come on up here. (vo)at the start of each warrant, he's been forced to introduce himself to the team. again and again. >>before we get to that, rivera, step on up, please. rook, come on up here. guys, this is dave rivera. he just came over to the unit a couple of weeks ago. we've got a new guy, a rook. >>dave rivera. been an officer for four years. 26 years old. >>name. >>dave rivera. i'm 26 years old. my sign is a cancer. i went to university of miami, graduated with a bachelors of business administration. >>what are you doing with us geeks, huh? >>i like movies, i like running, i like exercising. >>where do you live? >>with my mom. [laughing] >>and i drive a mini cooper. >>oh my lord - you can tell he's all about the action. >>what does your girlfriend do for a living? >>she's, she works at a waxing place. [laughing] >>your intro last time was a lot better. a lot better. come on! >