China Uses DNA to Map Faces, With Help From the West

By Sui-Lee Wee and Paul Mozur In a dusty city in the Xinjiang region on China’s western frontier, the authorities are testing the rules of science. With a million or more ethnic Uighurs and others from predominantly Muslim minority groups swept up in detentions across Xinjiang, officials in Tumxuk have gathered blood samples from hundreds of Uighurs …