home where the abuse was taking place by a backyard -- the girl was rescued before the rape occurred. and the suspect was arrested. already in the first six months of 2013, hsi agents have rescued 337 child victims. and they've arrested 964 alleged child predators. >> our agency has a lot of resources that we put towards this particular mission. >> reporter: special agent redling has focused on fighting child exploitation for 13 years. a father of four, it's obvious this work carries added meaning. >> i don't want to -- i don't want to think about what it would be like if this component of our agency didn't exist. >> reporter: it does. so let that be a lesson to child predators who think they can hide behind the veil of a computer screen. isha sesay, cnn, atlanta. >> officers say the 11-year-old girl is now safe with her parents. it turns out her predator was a