Guly returned to China the first time because police had been phoning her mother. 

The ethnic Kazakh and Chinese citizen, employed in the Kazakh city of Horgos, was told that police needed to see her in the western Chinese province of Xinjiang, and she worried about the risks to her family in China if she did not comply with their order.

She was briefly held on her return, but they let her go after she gave up fingerprints, blood samples and the password to her phone.

The second time she was not so lucky. 

For an entire year the mother-of-four was beaten, chained and subjected to relentless indoctrination on Chinese Communist policy in a Xinjiang internment camp. Her feet swelled so much from…