Distinguishing Characteristics: Asian female. Black hair, brown eyes. Sun may use the first name Susan. She was born in China.
Xiang was last seen in Columbia, Missouri on September 23, 2000. Her husband, Yinzhou Zheng, was last seen on September 17, six days before his wife disappeared. The couple planned to go visit one of their daughters in Iowa City, Iowa, but never arrived. Zheng and Sun have never been heard from again. They are both originally from China, and both of them left their passports behind.
Zheng was a graduate student at the University of Missouri and Zheng's son was also attending the university at the time of his father and stepmother's disappearances. Few details are available in their cases.