More Internet predators are challenging agents

Eric Szatkowski is a Wisconsin Justice Department special agent, but on that Sunday afternoon he entered an online chat room as a 14-year-old boy.

He claimed he was into weightlifting, AC/DC and muscle magazines. Then he waited.

Within hours, screen name Paul2u sent a message: "Hi. u realy 14?"

Over the past decade, agents and computer experts have gone after hundreds of people like Paul2u who solicit sex from kids or trade child pornography online. Police efforts around the country were all the rage with the media in the early 2000s, reaching a crescendo with Dateline NBC's "To Catch A Predator" series.

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