The following conditions need to be met for investigation and experiment:
1、? Must be to find out the case;
2, must be approved by the public security bureau chief;
3, must refer to the original conditions of the case to demonstrate.
In all kinds of case investigation activities, there are various facts and phenomena that need to be proved through investigation experiments, including but not limited to: confirming whether the victim or witness can hear or see under certain conditions; Determine whether an action can be completed within a period of time; Determine under what conditions a phenomenon will occur, etc.
What is the procedure for investigating the experiment?
(1) In order to find out the case, if necessary, with the approval of the public security bureau chief, investigation experiments can be conducted. All dangerous, humiliating or immoral behaviors are prohibited when conducting investigations and experiments. The procurator-general may also approve the investigation experiments of self-investigation cases.
(2) Investigation experiments shall be conducted by investigators, and relevant personnel may be invited to participate when necessary, or criminal suspects, victims and witnesses may be required to participate.
(3) After the investigation experiment is finished and the results come out, a record of the investigation experiment shall be made, which shall be signed or sealed by the personnel who participated in the investigation experiment.
When examining a case, the procuratorate may, when it deems it necessary, request the public security organ to review the inquest and inspection of the public security organ, and may send procurators to participate. Re-examination and re-examination may be returned to the public security organ or conducted by the procuratorate itself. For those returned to the public security organs, the procuratorate may also send personnel to participate. The legal procedures and rules for reexamination and recheck are the same as those for inquest and inspection.
1. What are the procedures for the inquest and inspection?
The objects of investigation are scenes, objects and bodies, while the objects of investigation are people.
1, on-site inspection
(1) Protect the site. All units and individuals have the obligation to protect the crime scene and immediately notify the public security organs to send personnel to conduct an inquest. After receiving the case, the investigators should quickly rush to the crime scene to protect the scene.
(2) When conducting an on-site inspection, investigators must hold the certification documents of the public security organ or the procuratorate.
(3) When necessary, people with specialized knowledge may be appointed or hired to conduct an inquest under the auspices of investigators. Two witnesses unrelated to the case should also be invited to attend.
(4) When inspecting the scene, investigators shall promptly investigate and visit the people, victims, witnesses and informants around the scene, and collect, fix and preserve all kinds of evidence.
(five) the on-site inspection shall make a record, which shall be signed or sealed by the investigators, other personnel involved in the inspection and witnesses.
2, physical evidence inspection
(1) Physical evidence inspection must be timely, earnest and meticulous. Where special technical personnel are needed for inspection and appraisal, an appraiser shall be appointed or hired for appraisal.
(2) Records shall be made for the inspection of physical evidence, which shall be signed or sealed by the investigators, experts and witnesses who participated in the inspection.
3. autopsy
(1) With the approval of the person in charge of the public security organ at or above the county level, the corpse can be dissected or opened for inspection, and the family members of the deceased can be notified to be present.
(2) A record shall be made for the examination of a corpse, which shall be signed or sealed by the inspector, forensic doctor or doctor.
Step 4 have a physical examination
(1) Physical examinations of victims and criminal suspects must be conducted by investigators. When necessary, under the auspices of investigators, forensic doctors or doctors may be hired to conduct investigations in strict accordance with the law, and the personality of the person under investigation shall not be insulted.
(2) Physical examination of criminal suspects, which can be compulsory if necessary. However, the physical examination of the victim should not be compulsory. Women's physical examination should be conducted by female staff or doctors.
(3) A record of physical examination shall be made, which shall be signed or sealed by the investigators and the forensic doctor or doctor who conducted the examination.