"the police officers would take groups of four or five girls in for interrogation and take turns with them."

We need to look at camp system as a rape center now, The narrative of sexual violence has been corroborated by many many female survivors. https://www.rfa.org/english/news/uyghur/instructor-10052020130813.html

Sexual violence is often less talked about and hard to document due to shame and stigma in many historical cases. It causes great life long trauma on female bodies and minds, and the testimonies often take decades to emerge and collect.

With such coercive, dehumanizing system that deprives human freedom and autonomy, it is extremely likely that such sexual violence against vulnerable groups such as young women and men has become normalized and rape can happen in impunity.

Sexual violence is also the most difficult to prove because it will be mostly based on oral testimonies and considered not adequate. The rape culture we live in also prevent survivors from restoring their dignity as they can be easily shamed again for seeking justice.