因在美国称赞参与六四学潮的学生，一中国留学生被其中国同学斥为间谍，国安上门威胁其远在中国的父母
#新闻
https://www.propublica.org/article/even-on-us-campuses-china-cracks-down-on-students-who-speak-out?utm_source=China+Leadership+Monitor+new+issue+alert&utm_campaign=b9f5481424-EMAIL_CAMPAIGN_2019_09_05_04_36_COPY_01&utm_medium=email&utm_term=0_4ca9bcd56f-b9f5481424-73546209
Babel_Towerr 21-12-05
https://www.propublica.org/article/even-on-us-campuses-china-cracks-down-on-students-who-speak-out?utm_source=China+Leadership+Monitor+new+issue+alert&utm_campaign=b9f5481424-EMAIL_CAMPAIGN_2019_09_05_04_36_COPY_01&utm_medium=email&utm_term=0_4ca9bcd56f-b9f5481424-73546209
Babel_Towerr 21-12-05
