Huang Jiefu, vice minister of health, was quoted by Xinhua as saying that a trial system for public organ donation has been launched in some areas.

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"We want a very public trial so the evidence can come out and show people that the justice system works for everybody, " Crump added.

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If the trial had been allowed to go ahead, the public would have felt that the criminal-justice system condoned malpractice by law-enforcement agencies, he said.

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