1. There are criminal facts, that is, accepted cases, and the criminal suspect's behavior has violated the criminal law, which constitutes a crime. This criminal fact exists objectively, not subjectively; The existing evidence proves that it is not groundless.
2. Criminal responsibility should be investigated, that is, the criminal acts of criminal suspects need to be punished according to law. If his behavior only constitutes a crime and criminal responsibility should not be investigated according to law, the case shall not be filed.
It belongs to its own jurisdiction. As mentioned above, public security organs can only govern cases that are under their jurisdiction according to the law, and those that should be under their jurisdiction must be managed, whether they are dereliction of duty; What should not be managed must be ignored, and what is managed is ultra vires.
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Article 109 of the Criminal Procedure Law of People's Republic of China (PRC), when a public security organ or a people's procuratorate discovers a criminal fact or a criminal suspect, it shall file a case for investigation within its jurisdiction.
"Procedures of Public Security Organs in Handling Criminal Cases" Article 162 After accepting a case, the public security organ considers that the criminal facts that need to be investigated for criminal responsibility belong to its own jurisdiction, and the receiving unit shall make a criminal filing report and file the case with the approval of the person in charge of the public security organ at or above the county level.