What are the common investigation methods in criminal cases?

The ways of criminal investigation include interrogating criminal suspects; Interviewing witnesses and victims; An inquest or inspection; Search; Seizure of physical evidence and documentary evidence; Identification; Identification; Wanted, etc. Civil cases generally follow the principle of non-litigation, that is, the parties do not take the initiative to raise it with the state judicial organs, and the state judicial organs generally do not intervene in disputes between the parties.

In criminal cases, the national criminal judicial organs usually take the initiative to intervene. After the victim or the masses report the case, the public security and procuratorial organs will intervene in the investigation. Then the people's procuratorate prosecuted the defendant on behalf of the state, and the court, as a judge of the law, conducted a fair trial to achieve the criminal law purpose of punishing criminals and protecting the people.

Extended data investigation is a litigation activity to solve criminal cases and must be carried out according to law. Some of the investigation measures taken in the investigation are clearly stipulated in the Criminal Procedure Law, and some are formulated by the investigation organ according to the spirit of national laws and regulations.

Any investigation measures or activities, whether public or secret, must be carried out in accordance with the law, and they must never act on their own or do whatever they want.

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