just quick head. >> oh, that's going to be a hundred. >> i don't know -- all right. where should i meet you? >> we can go over here. all right. walk over there. i'll meet you. >> moments later officer saleda tells officers to grab the young woman for soliciting prostitution. >> in the old days it was a sweep. you just swept these girls off the street and didn't give a damn. you threw them in jail and you weren't attacking a problem. you weren't solving the problem. the girls would keep coming back out and keep doing it. by attacking the pimps and making them pay, they don't victimize other girls when we get them and the girls get the services and we can save one or two, then we've done our jobs. >> it's modern day slavery. it truly is. >> four nights a week, sting or no sting operation, oakland pd's debbie hoffman works the street as part of opd's see care unit. she is the human equivalent of a life line trying to reach the unreachable. >> human trafficking is