What departments do you need to investigate this murder?

Legal analysis: homicide cases involving criminal offences are handled by the Criminal Investigation Brigade of the Public Security Bureau. In addition to cases involving multiple regions, gang cases with particularly serious cases and cases with bad means of committing crimes and great social impact, they are generally handled by the criminal police detachment of the municipal public security bureau.

Legal basis: the provisions of the Ministry of Public Security on the division of jurisdiction over criminal cases. If a murder case occurs, it must be handled by the Criminal Investigation Brigade of the local public security organ. If the circumstances are serious, it must be reported to the criminal investigation detachment of the public security organ at a higher level for handling. The functional departments of the Public Security Bureau include criminal police, public security, national security, household administration and economic investigation.