Under President Xi Jinping, China is pioneering a new form of governance by surveillance. In the first of a two-part series, we look at how China tested that system by targeting one minority group. Guest: Paul Mozur, a technology reporter for The New York Times based in Shanghai. For more information on today’s episode, visit nytimes.com/thedaily.

Background reading:

• Chinese authorities are expanding an extensive surveillance net by using a vast, secret system of facial recognition technology to control the Uighurs, a largely Muslim minority.
• Technology built for China’s surveillance system is now being applied — and sometimes abused — by other governments.

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