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• 'CSI' Star William Petersen Welcomes Twins
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Biography:
Born William Louis Petersen in Evanston, IL on Feb. 21, 1953, he was the youngest of six children born to Danish and German parents who worked as retailers. An admittedly poor student with an independent streak, he left Evanston to live with an older brother in Boise. There, he continued to ignore his studies while attending Bishop Kelly High Schoo... Continue Bio >>

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