China's mistreatment of its Uyghur minority has drawn international condemnation and sanctions. The repression gripping Xinjiang is also hugely costly to China in Renminbi, personnel, and stifled economic productivity. Despite this, the Chinese Communist Party persists in its policies. Why? Drawing on extensive original data, Potter and Wang demonstrate insecurities about the stability of the regime and its claim to legitimacy motivate Chinese policies...