"Collecting genetic material is a key part of China’s campaign, according to human rights groups and Uighur activists. They say a comprehensive DNA database could be used to chase down any Uighurs who resist conforming to the campaign.
Police forces in the United States and elsewhere use genetic material from family members to find suspects and solve crimes. Chinese officials, who are building a broad nationwide database of DNA samples, have cited the crime-fighting benefits of China’s own genetic studies." https://www.nytimes.com/2019/02/21/business/china-xinjiang-uighur-dna-thermo-fisher.html?fbclid=IwAR3-qkEi6NYUgt97lFBomG5uWLXK36WK0UwVcb6NBL9A7kZr0pDYT42QCm8
Photo Credit Pixabay Ng Han Guan/Associated Press