China's foreign ministry has lashed out at what it sees as "malicious hyping" and "politicization" of the issue involving Chinese tennis star Peng Shuai. Peng had disappeared from public view after making a sexual assault allegation against a former Chinese vice-premier. Taiwan+ reporter Yin Khvat spoke to Sophie Richardson, Human Rights Watch China Director, to discuss what insights the Peng case offers into Beijing's chilling culture of censorship and secrecy.