people advise you don't jump in because they might bring you down. >> so what do you do? >> so you want to get a skimmer. if you have a pool, bring them over. pull them up by the wrist and drag them up. >> let's start with an adult and then we'll move to a child. >> absolutely. so you pull the person up. if they're on their belly, you roll them over onto their back. you want to see if they're responsive. >> if they're not responding? >> you start cpr right away. you don't go to the mouth. it's c first. compressions. you want to put heel of one hand right here. the other one on top, just below the nipple line. >> if water starting coming out of their mouth or you see some sort of life, what do you do next? >> if they start to move, then you're good. >> if this is not working? >> you got to keep going. what you do if you're in a