Born in 1992, Li Ming was a native of Qingshuihe County, Inner Mongolia, and his family moved to Shuozhou in 1982, where he attended Shuozhou No. 2 Middle School.
On October 4, 2008, during the evening study, Li Ming stabbed his class teacher Hao Xudong to death with a spring-loaded knife, Li Ming was captured after the incident, and was criminally detained by the Shuozhou Public Security Bureau Shuo City Branch the next day, and arrested on October 21, according to the law.
On November 28, the Shuozhou City Procuratorate charged Li Ming with intentional murder, and filed a public indictment with the Shuozhou City Intermediate People's Court.
In the course of the proceedings, the victim Hao Xudong's parents to the Shuozhou Intermediate People's Court filed a civil lawsuit. Shuozhou Intermediate People's Court because the defendant is a minor, according to the law to form a collegial panel, closed session for a joint trial.