According to testimony from relatives, the real crimes behind these charges are often things like preaching, convening prayer groups, or simply acting as an imam. In total, the UHRP tracked the fates of 1,046 Muslim clerics — the vast majority of them Uyghurs — using court documents, family testimony and media reports from public and private databases. While all 1,046 clerics were reportedly detained at some point, in many cases corroborating evidence was not available because of China's tight control over information in the region.