What does the Criminal Investigation Section of the Public Security Bureau do?

Responsible for handling the detection of criminal cases.

The full name of the technical investigation department is "action technical detachment", which is usually called "technical investigation". Of course, the minimum is only available to municipal public security organs, and technical investigation cannot be set up below the county level. Technical investigation is a very confidential technical means, which is used to monitor and locate mobile phones and fixed phones. It needs strict examination and approval before it can be used for investigation and solving crimes.

Criminal techniques are common, including trace inspection (discovery, extraction, inspection and identification of fingerprints, footprints and tool traces, etc. ), document inspection, crime photos, videos, forensic medicine, trace material evidence, etc. As for the full name, it means that the Interpol detachment has a technical brigade, and the Interpol brigade has a technical squadron.

Responsible for handling the detection of criminal cases. The main task of the public security economic investigation brigade is to be responsible for the investigation of domestic economic cases. It belongs to a special investigation department and public security department, in order to obtain relevant evidence to prove the existence of criminal facts and the seriousness of the crime and to capture criminal suspects. Its main responsibilities are as follows: 1. Organize, guide and coordinate local public security organs to investigate economic crime cases, and participate in or directly investigate serious economic crime cases. 2 to guide, inspect and supervise the work of economic crimes in this region, analyze and study the trends of economic crimes, and put forward countermeasures to prevent and combat economic crimes. 3 to guide local finance, taxation and other key units related to the national economy and people's livelihood to carry out safety precautions. Legal basis: Article 3 of the Criminal Procedure Law of People's Republic of China (PRC) is responsible for the investigation, detention, execution and pre-trial of criminal cases. The people's procuratorate shall be responsible for the prosecution, approval of arrest, investigation and prosecution of cases directly accepted by procuratorial organs. The people's court is responsible for the trial. Except as otherwise specified by law, no other organ, organization or individual has the right to exercise these powers.

The Criminal Investigation Brigade grasps the trends of criminal offences, collects, informs and reports criminal information, and studies and formulates preventive and strike countermeasures; Organize investigation and solving cases, crack down on criminal offences and organize special struggles within the city; To undertake cases assigned by superiors; Responsible for criminal investigation cooperation with other places; Undertake the inspection and appraisal of trace material evidence and case trace material evidence, and provide technical and information resources for solving difficult cases; Responsible for taxi security management. Responsible for the training, management and use of the secret forces. Complete other tasks assigned by bureau leaders.