It goes by an innocuous name – “Integrated Joint Operatiot goes by an innocuous name – “Integrated Joint Operations Platform” (IJOP) – but it’s one of the most sinister components of China’s surveillance state, managing what has been described as a genocide against the Uighurs. The IJOP combines multiple systems of repression – location, messages, contacts, social media and other data from phones, together with information from checkpoints, cameras and biometric records.