Du Group : Author , filmmaker and activist Du Group has been detained by police in China . Copies of the alleged warrants viewed by CNN suggest that Du faces allegations including disturbing public order . Du was last seen in August , the same month he released a documentary on a China labor camp . Group members found two copies of a police subpoena at Du 's residence in Beijing .
Du Group : Author , filmmaker and activist Du Group has been detained by police in China . Du was last seen in August , the same month he released a documentary on a China labor camp . Group members found two copies of a police subpoena at Du 's residence in Beijing .