Legal basis of early intervention

Legal analysis: the legal supervision of criminal proceedings is embodied in many aspects, including: filing supervision, investigation supervision, trial supervision, criminal judgment supervision, ruling supervision and execution supervision. The system of early intervention is embodied in investigation and supervision. The people's procuratorate may send personnel to participate in the discussion of major cases and other investigation activities of public security organs according to needs, and shall promptly notify and correct illegal acts when found. This gives the procuratorial organs the right to intervene in the investigation activities of public security organs in advance and exercise the right of investigation supervision over the investigation activities.

Legal basis: Article 19 of the Criminal Procedure Law of People's Republic of China (PRC), except as otherwise provided by law, criminal cases shall be investigated by public security organs. Crimes such as illegal detention, extorting confessions by torture, and illegal search. The people's procuratorate may file a case for investigation of illegal acts found by judicial personnel in the process of legal supervision of litigation activities. If a major criminal case of a functionary of a state organ under the jurisdiction of a public security organ needs to be directly accepted by a people's procuratorate, it may be placed on file for investigation upon the decision of a people's procuratorate at or above the provincial level. Cases of private prosecution are directly accepted by the people's courts.