(Washington Examiner) The son of Democratic presidential front-runner Joe Biden is under scrutiny for allegedly investing in a surveillance app used to spy on Muslims in China. Hunter Biden son of the 2020 hopeful backed an investment firm that designed the spying apparatus according to a new report released a day after the Trump administration criticized China for mass detention of Muslims. The Intercept reported that Hunters China-based investment firm called Bohai Harvest RST invested in the mobile app Face. The app was designed by the Chinese government to spy on its citizens with heavy use reported in the western provinces to track the Uighurs a Muslim minority.