This is a house on an average street in an average town. It could be your town, but there is something very different about this place. A major crime against a child is possibly being committed here. A crime that happens more often than you'd ever imagine. This grown man is here after making a date for sex with a 14 year old girl he met only hours earlier on the internet. Tonight, a Dateline hidden camera investigation exposes a very real threat to your children: online sexual predators.