The U.S. wants Switzerland to extradite a Chinese researcher accused of helping his scientist sister steal secrets worth $550 million from GSK. Gongda Xue, who is fighting extradition, has been labeled a potential flight risk, according to a Swiss Federal Criminal Court verdict, keeping him in custody pending the extradition request’s resolution. U.S. allegations against Gongda Xue, 49, underscore global fears that China is using networks of highly trained nationals abroad to smuggle trade secrets to the world’s second-largest economy. Last year, prosecutors in Germany charged a Chinese-born engineer with industrial espionage in connection with secrets pilfered from chemical maker Lanxess. Learn More