In Part 2 of our series, we tell the story of an American citizen whose family members have been detained in Chinese re-education camps for Uighurs and members of other Muslim minority groups. We look at what his efforts to free them reveal about the global reach of China's surveillance. Guest: Paul Mozur, a technology reporter for The New York Times based in Shanghai, spoke with Ferkat Jawdat, a Uighur and American citizen who lives in Virginia. For more information on today's episode, visit nytimes.com/thedaily. Background reading: Ethnic Uighurs and other Muslim minorities have been sent to camps in vast numbers in what is China's most sweeping internment operation since the Mao era.Chinese officers have attempted to suppress opposition from Uighurs abroad by detaining their relatives.The Trump administration has avoided addressing the persecution of the Uighurs during trade talks with China, fearing such a move could jeopardize a deal.