Dafa practitioner Mr. Tang Yun was born on March 22, 1970 and had lived at Apt 2, Floor 7, Unit 3 in the Jinianbei Complex, Zitong Town, Tongnan County, Chongqing. She had worked at Zitong Town Department Store. On December 4, 1999, Tang Yun went to Beijing to appeal for and validate Falun Dafa with her own experiences. Her son was only two years old at the time.

Tang Yun was arrested and tortured to death on her police-escorted trip back from Beijing.