Li Heping, a Chinese human rights lawyer detained in July 2015, remains in detention after a secret trial. (2017-05-02)
https://www.hongkongfp.com/2017/05/02/chinese-rights-lawyer-li-heping-remains-detention-receiving-suspended-sentence/

US Citizen Phan "Sandy" Phan-Gillis deported from China after being held without trial for two years. (2017-04-29)
https://www.theguardian.com/world/2017/apr/29/american-woman-spy-china-phan-sandy-phan-gillis-deported

Taiwanese human rights activist Lee Ming-che was "disappeared" on March 19, 2017, while entering Mainland China from Macau. (2017-04-20)
http://www.chinafile.com/reporting-opinion/viewpoint/taiwanese-mans-detention-guangdong-threatens-key-pillar-of-cross-straits

Don't ever use WeChat and Sina Weibo, two of China's largest censorship and surveillance social media. Here is why:
https://deibert.citizenlab.org/2017/04/we-chat-but-not-about-everything/
https://citizenlab.org/2017/04/we-cant-chat-709-crackdown-discussions-blocked-on-weibo-and-wechat/