Investigating and handling a case is to decide whether to arrest a criminal suspect according to the specific circumstances, and arrest him in principle. Criminal detention, bail pending trial, residential surveillance and other compulsory measures will be taken for the criminal suspect according to the degree of social harm. the process is that the undertaker fills in the filing report form, then makes the filing report, and after the approval of the person in charge of the organ or department, makes a decision to file the case, and finally the person in charge of examination and approval signs or seals it. After placing a case on file for investigation, the investigation ends. If it is considered that the facts of the crime are clear and the evidence is true and sufficient, a prosecution opinion will be written and sent to the people's procuratorate at the same level for examination and decision on whether to prosecute.
Legal basis
Article 162 of the Criminal Procedure Law, when the investigation is concluded, the public security organ shall make clear the facts and the evidence is true and sufficient, write a prosecution opinion, and transfer it to the people's procuratorate at the same level for examination together with the case files and evidence; At the same time, inform the criminal suspect and his defender of the transfer of the case. If a criminal suspect voluntarily pleads guilty, it shall be put on record, transferred with the case, and put forward procuratorial opinions under relevant circumstances.