Disturbing the Peace (Chinese: 老妈蹄花; pinyin: Lǎomā tíhuā) is a 2009 documentary film directed by the Chinese artist Ai Weiwei. In it, he and Pu Zhiqiang talk to police to discover what happened to a female colleague after a police raid on their way to Chengdu as witnesses in the trial of the civil rights advocate Tan Zuoren.[1][2]