looks like he's calling them over. >> red sweatshirt, black cowboy hat, old beat-up blue pickup truck. >> yeah. >> copy, blue truck. >> all right. he's pulling over. it's going to be a swoop on the blue truck. >> as soon as the old blue truck pulls into the motel parking lot, he's immediately greeted by oakland's finest. >> meanwhile, the cautious window shopper in the suv, his suspicions now confirmed, takes off. >> somebody come in and get this ford now that's making the u-turn going northbound. i.d. him. >> you live around here? >> no, sir. i live in bellville. >> this man is a long way from his home in the quiet east bay suburb of dublin, california. though no deal for sex was made, police can charge him with loitering and hopefully discourage him from browsing in this neck of the woods again. >> we want him to know that human trafficking and child exploitation is one of our top