on year 2019, Opposite Tai On Building in Sai Wan Ho, Hong Kong Island, a large number of demonstrators blocked the road with rubbish and sundries at the intersection of Shau Kei Wan Road and Tai On Street in Sai Wan Ho. Traffic policeman Guan Jiarong rushed to clear the roadblock and raised his gun to signal the crowd to disperse. During this period, a young man in a white coat and mask walked past the crowd, looked at the policeman, and raised his hands to the policeman to show no Maliciously, the young man once raised his hands to show that he did not hold any weapons. The traffic police officer drew his pistol and pointed it at the young man in the white coat. The two masked men in black approached in the direction where the two were entangled. The entangled policeman pointed his pistol at Zhou Bojun. He was not touched, and the police officer fired a shot at his right chest and abdomen without warning. He was shot and fell to the ground. After another young man surnamed Hu approached, the same traffic policeman fired two shots at him .