On February 24, 2011, two days after Shanghai petitioner Mao Hengfeng was released from the Anhui Provincial Women's Reeducation-Through-Labor Camp, an official from the Anhui RTL camp came to her home and rescinded the parole. Several dozen Shanghai and Anhui police officers took Mao away. Wu Xuewei, Mao's husband, sent a registered letter to Mao at the Anhui RTL camp, which was signed for by personnel there, but Wu was told that Mao had not brought back there. Subsequently, Wu sent an appeal by registered mail to the Anhui judicial authorities, and more registered letters to Mao care of the RTL authorities and a prison hospital in Shanghai. He has not been able to locate her. Wu fears that Mao is being abused and tortured, as she was in previous periods of detention.