emergency breathing without direct mouth-to-mouth contact, part of what's called universal precautions. >> i knew that it was probably going to be a couple minutes before i could get him to shore. i didn't think that he had a chance unless i -- >> he's trying to give him mouth to mouth. >> that boy is good. >> now finally, help is on the way. but it's not a policeman or fireman. like garrett, it's just another person who was out in the park that day. >> when he went under water, the clock's ticking instantly. and that's why i went in the water. >> steven lloyd is a 46-year-old registered nurse, but unlike garrett couples he's not a lifeguard. in fact, steven lloyd says he hasn't been swimming in ten years. >> he's trying to do something. >> i just asked him, do you have any training? >> and i gulped on water and i said i'm exhausted. >> i said, okay, well grab him under his arm and we're going to tow him to shore.