Three members of Zhu's family, residents of the city's Qixia District, had been killed in their home in October 1997. Nanjing police successfully targeted two criminal suspects who committed robbery and murder that year through modern criminal technology.

At present, the criminal suspects Dong and Xie have been arrested and brought to justice. The two suspects thoroughly confessed and confessed the beginning of the murder and robbery at the end of the year in order to deepen the backlog of murder cases in the Nanjing area.