During Shuanggui , Mao was reportedly uncooperative with investigators and maintained his innocence .
On December 22 , 2011 , Mao was placed under investigation and entered Shuanggui proceedings , and was removed from his post as party chief of Wuxi .
During Shuanggui , Mao was reportedly uncooperative with investigators and maintained Mao 's innocence .
On December 22 , 2011 , Mao was placed under investigation and entered Shuanggui proceedings , and was removed from his post as party chief of Wuxi .