Article 3 of the Criminal Procedure Law of People's Republic of China (PRC): The public security organs shall be responsible for the investigation, detention, execution and pre-trial of criminal cases. The people's procuratorate shall be responsible for the prosecution, approval of arrest, investigation and prosecution of cases directly accepted by procuratorial organs. The people's court is responsible for the trial. Except as otherwise specified by law, no other organ, organization or individual has the right to exercise these powers.
Article 12 No one shall be found guilty without a judgment of the people's court according to law. Article 136 All cases requiring public prosecution shall be examined and decided by the People's Procuratorate.
3, the people's Procuratorate to review the case, for the need for supplementary investigation, can be returned to the public security organs for supplementary investigation, can also be their own investigation.
4. In the case of supplementary investigation, the supplementary investigation shall be completed within one month. Supplementary investigation is limited to two times. After the supplementary investigation is completed and transferred to the people's procuratorate, the time limit for examination and prosecution by the people's procuratorate shall be recalculated.