Thousands of photographs from the heart of China’s highly secretive system of mass incarceration in Xinjiang, as well as a shoot-to-kill policy for those who try to escape, are among a huge cache of data hacked from police computer servers in the region.

The Xinjiang Police Files, as they’re being called, were passed to the BBC earlier this year. After a months-long effort to investigate and authenticate them, they can be shown to offer significant new insights into the internment of the region’s Uyghurs and other Turkic minorities.

To read more and see the faces of China’s Uyghur detention camps, click on this BBC link.