Dui Hua aids Guilin-based lawyer and associate professor of law at the Guilin University of Electronic Science and Technology Chen Taihe – detained by public security agents for inciting subversion, picking quarrels and provoking trouble, and embezzlement in the July 2015 crackdown on human rights lawyers – seek safe passage to the United States. Chen is believed to be the only “709” lawyer to have successfully left China for the West with the permission of the domestic security bureau of the Chinese government.