Legal basis
Criminal Procedure Law
Article 87: When the public security organ requests the arrest of a criminal suspect, it shall write a letter approving the arrest, together with the case file Materials and evidence shall be submitted to the People's Procuratorate at the same level for review and approval. When necessary, the People's Procuratorate may send personnel to participate in the discussion of major cases by the public security organs. Article 88 The People's Procuratorate may interrogate criminal suspects after reviewing and approving the arrest. Under any of the following circumstances, the criminal suspect shall be interrogated: (1) There is doubt as to whether the conditions for arrest are met; (2) The criminal suspect requests to make a face-to-face statement to prosecutors; (3) There may be major illegal acts during the investigation activities . When reviewing and approving an arrest, the People's Procuratorate may question witnesses and other litigation participants and listen to the opinions of the defense lawyer; if the defense lawyer requests it, the People's Procuratorate shall listen to the opinions of the defense lawyer.