Mr. Zhang Shaobin was a 60-year-old resident of Dandong City, Liaoning Province. On May 24, 2004, Mr. Zhang's wife, Ms. Yang Huizheng, and his daughter, Zhang Chungang, were arrested at their home. Later, the police frequently harassed Mr. Zhang and tried to force a "confession" from him at his home. As a result, Mr. Zhang was deeply traumatized. He passed away in the second half of 2004.