In this undated booking photo released by Milwaukee County Sheriff's Office, Hua Jun Zhao, 42, is shown. Zhao, a researcher at the Medical College of Wisconsin, is charged with espionage after

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In this undated booking photo released by Milwaukee County Sheriff's Office, Hua Jun Zhao, 42, is shown. Zhao, a researcher at the Medical College of Wisconsin, is charged with espionage after prosecutors say he stole details of a cancer-fighting compound that he wanted to share with China. (AP Photo/Milwaukee County Sheriff's Office) less 

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Associated Press
Wed, Apr 3, 2013 2:27 PM EDT