Legal basis:
People's Police Law of the People's Republic of China
Article 20 The people's police must enforce the law impartially and act impartially.
Article 46 Citizens or organizations have the right to report and accuse the people's police of illegal and disciplinary acts by the people's police agencies, people's procuratorates and administrative supervision agencies. The agency that accepts the report or accusation shall promptly investigate and handle the case and inform the reporter or accuser of the investigation results.