Legal basis:
"Procedures for Public Security Organs to Handle Criminal Cases" Article 166 A public security organ shall immediately accept a citizen's kidnapping, report, complaint, report or the surrender of a criminal suspect, ask about the situation, and make a record, which shall be signed by the kidnapper, the informant, the accuser, the informant and the surrender. When necessary, audio or video recordings shall be made.
Article 175 After accepting a case, the public security organ shall, after examination, consider that the criminal facts that need to be investigated for criminal responsibility belong to its own jurisdiction, and file a case with the approval of the person in charge of the public security organ at or above the county level; If it is considered that there are no criminal facts, or the criminal facts are obviously minor and need not be investigated for criminal responsibility, or there are other circumstances in which criminal responsibility is not investigated according to law, the case shall not be filed with the approval of the person in charge of the public security organ at or above the county level.
If a complainant decides not to file a case, the public security organ shall make a notice of not filing a case and serve it on the complainant within three days.
174th after examination, if it is not serious enough for criminal punishment to be given administrative treatment, it shall be handled according to law or transferred to the relevant departments for handling.
Article 187 A public security organ shall promptly investigate a criminal case that has been put on file, and comprehensively and objectively collect and obtain evidence of the criminal suspect's guilt or innocence, light or heavy crime.