What is the main content of criminal investigation?

The content of investigation work is to find and collect all kinds of evidence related to the case, find out the facts of the crime, capture and determine the criminal suspect, and take necessary compulsory measures to prevent the current criminals and criminal suspects from continuing their criminal activities or evading investigation.

Prosecution and trial to ensure effective criminal prosecution. Specifically, it refers to the investigation of criminal cases that have been filed in accordance with legal procedures, and the collection and collation of various evidence materials of criminal suspects' guilt or innocence, light or heavy crimes.

Accurately and timely find out the facts of the crime, arrest the criminal suspect, and take necessary compulsory measures according to the specific circumstances of the case to prevent criminals from evading investigation or destroying, forging evidence, colluding with confessions, etc.

In order to smoothly hand over criminal suspects for prosecution and trial, ensure the smooth progress of litigation activities, and protect the legitimate rights and interests of the state, collectives and individual citizens from infringement.

Extended data:

The main problems existing in the investigation activities:

First, the abuse of investigation means;

Second, there are illegal acts and lack of sanctions.

However, the current legislative system lacks effective regulation of investigation power, and courts and procuratorates have no way to implement substantive control over investigation procedures. In view of these two situations, different forms of judicial control should be adopted respectively.

In view of the former, prior review should be implemented. Before the investigation organ makes an investigation that affects the basic rights of citizens, the judge, that is, the judge, should conduct judicial review and make a decision.

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