At the beginning, the original author, Prayer Jun, once said that the prototype of the novel originated from Wuhan Yazhou bus case, and then merged with other bus cases.

2 14 bus explosion "scene.

There is no clear information about the Yazhou bus case at present, but the Wuhan Bridge "2. 14 bus explosion case" can be found and reported.

1998 On Valentine's Day, a big explosion occurred on Wuhan Yangtze River Bridge. The explosion killed 16 people, injured 30 people (many seriously), damaged or injured four cars, and injured many pedestrians.

The Wuhan Municipal Party Committee and the Public Security Bureau urgently dispatched more than 0/00 criminal technicians from provinces and cities, and repeatedly inspected the 24,000-square-meter site according to the sequence of pieces and sections, and found a large number of pieces of bombed objects and human tissues. According to the comparison measurement between the bombed vehicle and the whole vehicle, and the damage degree of the chair near the explosion center, the amount of explosives on the vehicle is about 10 kg according to the damaged parts of the casualties.

The criminal police of the task force repeatedly analyzed the household registration and missing persons in Wuning County and Ruichang City, and conducted DNA identification to confirm the identity of the perpetrators. The two men were named Cao Jun and Zou Changli, both from Wuning County, Jiangxi Province.