threatened and constantly every day saying, if you don't get on the track i'm going to kill you. i'm going to stab you. i have my boys watching you. you can't do anything. you're scared. >> the odds of pulling a girl off the street are small but hoffman and the men of the oakland task force are undaunted. saleda says it's a race against the clock. the earlier they can pull a girl off the street the more likely it is that she won't fall prey again to the anxious men who only see children in terms of dollars and cents. >> they're total property. it's truly modern day slavery. >> with thousands of dollars at stake pimps keep a watchful eye over the girls they traffic. >> the pimp does not come up for her rescue. he just wants to make sure he knows how much money she's making. >> girls who are caught in sting operations often feel they are unfairly targeted.