2065438+March 2005, members of Shenmu County CPPCC in Yulin City, Shaanxi Province posted a report that Sun Donghu, former deputy director of Fugu County Judicial Bureau in Yulin City, Fugu County, and his descendants Hao defrauded him of 200 million yuan in coal mine equity transfer. On September 4 of the same year, Yulin police filed a case for investigation. The decision to file a case showed that Sun Donghu, Wang Danghu and Sun Hao were charged with contract fraud.

Wu Xiaochun said that during the one and a half years since the case was filed, he went to Yulin Public Security Bureau to check the results countless times. "The police have always said that the case is complicated and is under investigation, but there has been no obvious progress."

On March 15 and 10, Wu Xiaochun took a selfie and posted it online, including identity information and case materials. It caused a hot spread, and some media intervened in the report. On April 1 day and April 2, Liu, the police handling the case and secretary of the Discipline Inspection Commission of Yulin City Public Security Bureau, and Zhao, the deputy director, confirmed to the Beijing News reporter that Sun Donghu had been detained on March 29 and brought back to Yulin from An.