The FBI has warned that the Chinese government is using both in-person and digital techniques to intimidate, silence and harass U.S.-based Uyghur Muslims. The Chinese government has long been accused of human rights abuses over its treatment of the Uyghur population and other mostly Muslim ethnic groups in China’s Xinjiang region. More than a million Uyghurs have been detained in internment camps, according to a United Nations human rights committee, and many other Uyghurs have been targeted and hacked by state-backed cyberattacks. China has repeatedly denied the claims. In recent months, the Chinese government has become increasingly aggressive in its...