More than 1 million people are believed to be detained in "re-education" camps in the restive western Chinese province of Xinjiang.
Beijing is pursuing a vast campaign of sinicization in the western region of Xinjiang, where the majority of the population is Muslim.
"China was making a direct threat to me from my mother's voice. They're using my mom to silence me."
While Muslims have been the main target of China's crackdown and "Sinification" policies, Christian groups have also faced oppressive policies.
"We're seeing a relapse into a time of history that was marked by...these sort of arcane perspectives on religion and religious leaders," Reverend Johnnie Moore said.
Beyond those who avoid alcohol, cigarettes and dancing, the government is reportedly concerned about individuals who encourage others to follow the teachings of the Quran.
China has been accused by the U.S. and others of repressing its Uighur Muslim minority, but ISIS has seldom featured Beijing in its propaganda.
China used a so-called "red notice" label activist Dolkun Isa a terrorist.
The men are charged with ten offenses for the incident in which 20 people died
Chinese local authorities ban Islamic veils and beards amid ethnic tension with Xianjiang's muslim majority
A gang armed with knives had first attacked a police station and government offices in the town of Elixku