Yao Jiaxin hit the victim Zhang Miao with his car. After getting out of the car, he found that Zhang Miao was writing down his license plate number. He was afraid that Zhang Miao would see her license plate number and cause trouble in the future, so he had the evil intention of killing and silencing him. Yao Jiaxin took out a knife and stabbed Zhang Miao eight times, causing her death.

Extended reading:

Yao Jiaxin, male, born on November 7, 1989, a junior student at Xi’an Conservatory of Music, hit someone with his car late at night on October 20, 2010 He then stabbed the injured person eight times, causing his death. After that, he drove away to the Guodu intersection and hit a pedestrian again. He was caught by nearby people while escaping. On January 11, 2011, the Xi'an Procuratorate prosecuted Yao Jiaxin for intentional homicide. On April 22, 2011, Yao Jiaxin was sentenced to death in the first instance for intentional homicide and deprived of political rights for life. Yao Jiaxin later appealed.

On May 20, 2011, the Shaanxi Provincial Higher People's Court held a second-instance public hearing and pronounced the verdict on the intentional homicide case of defendant Yao Jiaxin. It ruled in accordance with the law to reject Yao Jiaxin's appeal and uphold the original verdict. With the approval of the Supreme People's Court, Yao Jiaxin was executed on the morning of June 7, 2011.