China Enacting a High-Tech Plan to Track People

At least 20,000 police surveillance cameras are being installed along streets here in southern China and will soon be guided by sophisticated computer software from an American-financed company to recognize automatically the faces of police suspects and detect unusual activity.

Starting this month in a port neighborhood and then spreading across Shenzhen, a city of 12.4 million people, residency cards fitted with powerful computer chips programmed by the same company will be issued to most citizens.

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Incorporated in Florida, China Public Security has raised much of the money to develop its technology from two investment funds in Plano, Tex., Pinnacle Fund and Pinnacle China Fund. Three investment banks — Roth Capital Partners in Newport Beach, Calif