According to RDN (19 May 15; 20 May 15; 16 August 16), CRLW (5 April 16), RFA (30 June 15; 2 July 15), and Wang Lihong (via Twitter, 9 July 15), on or around May 19, 2015, authorities in Nanchang municipality, Jiangxi province, detained Wu Gan (a.k.a. "Butcher") after he protested outside the Jiangxi High People's Court on behalf of four men on trial. Nanchang police first held Wu in administrative detention, but authorities later criminally detained Wu, transferring him to the Yongtai County PSB Detention Center in Fuzhou municipality. On July 3, authorities in Xiamen municipality, Fujian, charged Wu with "picking quarrels and provoking trouble" and "inciting subversion of state power." In April 2016, authorities held Wu at the Tianjin No. 1 PSB Detention Center in Tianjin municipality. In August, Tianjin PSB changed Wu's "inciting subversion" charge to "subversion of state power." Authorities accused Wu of colluding with other Beijing Fengrui Law Firm employees including Zhou Shifeng, to "severely harm state security and social stability." On December 26, 2017 the Tianjin Intermediate People's Court sentenced Wu to 8 years in prison and 5 years' deprivation of political rights; on April 17, 2018 the Tianjin High People's Court rejected his appeal (CRLW, 17 April 18).