After receiving the report, the police immediately rushed to the scene and carried out investigation and inquiry work, quickly locking on Li Mou who had an ambiguous relationship with the reporter as a major suspect. After investigation, it was found that in the summer of 2010, Li Mou (female, 40 years old, from Qinchih Town, Yangcheng County) established an improper relationship with the victim Zhang Mou. On November 11, 2011, the criminal suspect Li Mou asked Zhang Mou to stay overnight, but was refused, leading to an argument. Li Mou harbored resentment and came up with the idea of stealing Zhang's cash. That night, she stole 20,000 yuan in cash from a car parked on the bridge at Liu Dong Village in Qinchih Town, which she used for her own business. The stolen money has now been recovered and returned.
On February 15, according to China News Service Taiyuan, a woman from Yangcheng, Shanxi, sought revenge on her lover by stealing his belongings after he refused her request to spend the night together. On February 15, it was learned from the Yangcheng police in Shanxi that the woman had been successfully arrested. According to reports, at 6:25 AM on November 12, 2011, Zhang Mou from Qinchih Town, Yangcheng County, Shanxi Province reported to the police that 20,000 yuan in cash placed under the truck driver's seat was stolen on November 11, 2011, and requested an investigation.