Next tonight a stunning idea from on organization trying to fight predators who target children. Look at this little girl, look closely at her face. In the span of just ten weeks she has helped... See More
Next tonight a stunning idea from on organization trying to fight predators who target children. Look at this little girl, look closely at her face. In the span of just ten weeks she has helped identify more than 200 suspects right here in the united states because there is something about her that they failed to guess. Here's abc's cecilia vega to tell us. My name is sweetie, I'm 10 years old. Reporter: This little girls from the philippines single handedly helped identify 1,000 predators from around the world. Everyday I have to sit in front of the webcam and talk to men. Reporter: The predators flocked, sometimes hundreds at a time. But they had no idea that what they were seeing was completely fake. What they don't know, I'm not real. I'm a computer model made piece by piece to track down these men who do this. Reporter: She is a virtual girl created by a dutch children's rights group, trying to crack this growing form of child exploitation. Where men, mostly from wealthy countries, pay to have webcam sex with poor children. This was a high-tech trap, as the predators gave sweetie their names, investigators tracked down their addresses and photos and handed them over to inter po poll. In all of the 1,000 alleged pedophiles the group identified, it says 245 of them, are from the u.S. Nothing is being done about the source of the problem, this phenomenon will only increase further. Reporter: The fbi estimates more than half a million pedophiles are online everyday. To catch them, federal investigators have set up fake ads on websites. They have even created an app. It is a virtual problem that spans the globe. My name is sweetie. Reporter: But now, there may be a real solution. Cecilia vega, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.