What are the supervision measures for criminal investigation?

Criminal investigative measures include interviewing witnesses and victims, conducting interrogations, examining and questioning suspects, and searching and seizing physical and documentary evidence. When conducting investigations and inspections, investigators must hold a certificate from the People's Procuratorate or the public security organ.

Legal Basis

Article 128 of the "Criminal Procedure Law"

Investigators shall examine the places, objects, persons and corpses related to the crime Conduct an inspection or inspection. When necessary, persons with specialized knowledge may be designated or hired to conduct inspections and inspections under the auspices of investigators.

Article 129

Any unit or individual has the obligation to protect the crime scene and immediately notify the public security organ to send personnel for inspection.

Article 130

When conducting inspections and inspections, investigators must hold a certificate from the People's Procuratorate or the public security organ.