On 27 April 2018, Zhao Zewei (Chinese: 赵泽伟; born 20 January 1990, in Zhaojiashan Village)[3] arrived at No.

3 Middle School in Mizhi County carrying knives he had ordered online the previous month.

[1][2] Zhao waited an hour for students to be dismissed at 6:10 p.m.[4] and rushed at them in an alleyway with three knives and a dagger, killing nine and injuring twelve.

The Yulin Intermediate People's Court determined that he committed the attacks to vent his frustrations about his past at the school and the circumstances of his life.

Zhao was sentenced to death on 10 July[2] and chose not to appeal, stating in his letter: "I am sorry to the families of the deceased and their children, they have endured the greatest pain in the world.