What witnesses and other personnel can the supervisory organ have during the investigation?

In the process of investigation, the supervisory organ may invite witnesses, expert witnesses, inspectors, inspectors, communication recorders and surveillance video recorders.

1. Witness: A witness refers to a person who provides testimony, statements or other evidence in a case. A witness may be a party, witness, insider or other person who knows the case. The testimony of witnesses in the process of investigation is of great significance for clarifying the truth and restoring the incident.

2. Appraiser: Appraiser refers to an expert who makes technical analysis, evaluation and judgment on the professional issues involved in the case. The appraiser can be a forensic doctor, a material evidence expert, an electronic data expert, etc. Their professional opinions during the investigation played an important role in finding out the facts of the case and identifying the criminal suspect.

3. Inspectors: Inspectors refer to those who conduct on-site investigation, inspection and extract certificates and technical traces. They are responsible for collecting, fixing, protecting and identifying the physical evidence and technical traces at the scene, and providing direct evidence for case investigation.

4. Communication record reviewer: Communication record reviewer refers to the person responsible for reviewing telephone, SMS, email and other communication records. They can extract information related to the case from the communication records and provide clues for case investigation.

5. Surveillance video inspector: Surveillance video inspector refers to the person who is responsible for reviewing surveillance videos in public places. They can extract information related to the case from the surveillance video to provide clues for case investigation.

Duties of supervisory organs: supervision, investigation, handling, prevention and other duties.

1. Supervisory duties: Supervisory organs are mainly responsible for supervising whether state public officials abide by laws and regulations and whether there are violations of laws and regulations in the course of performing their duties. This includes the supervision of public officials' honesty in politics, fair use of power and diligence in serving the people.

2. Responsibility for investigation: When public officials are found to have violated the law and discipline, the supervisory organ needs to investigate them to find out the truth and provide a basis for handling. In the process of investigation, the supervisory organ can take various ways, such as consulting information, asking the parties, and investigating and collecting evidence.

3. Handling responsibility: According to the investigation results, the supervisory organ needs to make a handling decision on public officials who violate the law and discipline according to law. Handling methods include warning, demerit recording, gross demerit recording, demotion, dismissal, expulsion from Party membership and public office. Those involved in duty crimes can also be transferred to judicial organs for criminal responsibility according to law.

4. Preventive duties: The supervisory organ should also strengthen the education and management of public officials, improve their awareness of the rule of law and clean government, and prevent illegal acts. In addition, the supervisory organs need to strengthen the restriction and supervision on the operation of power to prevent the abuse of power.

5. Other duties: The supervisory organ also needs to assist other departments in their work, such as cooperating with the auditing department to carry out economic responsibility audit and cooperating with international cooperation against corruption.