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ROCK HILL, S.C. -- An undercover investigation exposed a Rock Hill man s alleged involvement in a child pornography network.

The attorney general s office says Derek Van Buren Robinson, 28, distributed child porn online. Investigators say he was behind pictures showing kids engaged in sexual activity.

The sheriff s office executed a search warrant at his home. Police arrested Robinson on July 18.

He is charged with five counts of second-degree sexual exploitation of a minor second degree, a felony offense punishable by two to ten years in prison for each count.

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