The author cites Liu Xiaofang, a supporter of Cao, who received the information from Wei Shuying, a participant of the sit-in in front of the Ministry of Foreign Affairs in June and July 2013 requesting citizen participation in the drafting of the National Human Rights Report. According to Liu, Wei was summoned by the police who told her about Cao’s criminal detention, and that it was ordered by the Ministry of Foreign Affairs to prevent Cao from leaving the country. Qin calls for legal assistance for Cao.