China Uses DNA to Track Its People, With the Help of American Expertise
BEIJING — The authorities called it a free health check. Tahir Imin had his doubts. They drew blood from the 38-year-old Muslim, scanned his face, recorded his voice and took his fingerprints. They didn’t bother to check his heart or kidneys, and they rebuffed his request to see the results. “They said, ‘You don’t have…