What is the specific task of the criminal investigation department of the Public Security Bureau? What's the difference between public security brigade and criminal investigation?

First, the concept of public security investigation bureau

Criminal Investigation Bureau of the Ministry of Public Security The Criminal Investigation Bureau of the Ministry of Public Security is an organ and unit, which is mainly responsible for grasping and collecting the trends of criminal offences. Criminal crime is a comprehensive reflection of various social contradictions and negative factors, and the scope and intensity of this reflection are closely related to the depth and breadth of social change in a country. The Ministry of Public Security and all localities have generally implemented the qualification examination system for investigators, provincial-level criminal investigation experts and national criminal technical young talents, improved the working systems of all criminal police training, on-the-job training, professional training, remote telephone teaching, court hearing, case evaluation, etc., and organized the identification of murder case files, simulated murder scene investigation, blind testing in professional laboratories, physical skills competition assessment, etc., which significantly enhanced the legal awareness, procedural awareness, evidence awareness, litigation awareness and work responsibility of the majority of criminal police.

Second, what is the function of the organization?

(1) Grasp the trends of criminal offences, collect, report and exchange criminal information, and formulate preventive and crackdown countermeasures.

(2) Organizing, guiding and supervising local public security organs to carry out criminal investigation.

(three) to formulate the development plan of criminal technology and police dog technology and organize its popularization and application to provide technical support for the detection of major and difficult criminal cases.

(four) to undertake the registration management of authentication institutions and appraisers of public security organs.

(5) Organizing and guiding the struggle against the crime of abducting and selling women and children.

(six) to undertake cases assigned by superiors.

(7) In charge of material evidence identification center, police dog training bases in Nanchang and Kunming, Shenyang Police Dog Technical School, Nanjing Police Dog Research Institute, Chinese Forensic Medicine Society, China Criminal Science and Technology Association and China Working Dog Management Association.

Third, the development process of public security investigation bureau

Since 1997 carried out the criminal investigation reform, public security organs throughout the country have persistently strengthened the construction of criminal police teams, and the political and professional qualities of criminal investigation teams throughout the country have continuously developed and expanded. The Ministry of Public Security and all localities have generally implemented the qualification examination system for investigators, provincial-level criminal investigation experts and national criminal technical young talents, improved the working systems of all criminal police training, on-the-job training, professional training, remote telephone teaching, court hearing, case evaluation, etc., and organized the identification of murder case files, simulated murder scene investigation, blind testing in professional laboratories, physical skills competition assessment, etc., which significantly enhanced the legal awareness, procedural awareness, evidence awareness, litigation awareness and work responsibility of the majority of criminal police. The police are loyal to their duties, selfless dedication, tenacious struggle and fair law enforcement. They have withstood the baptism of blood and fire and the test of life and death, showing the true political qualities of loyalty to the party, the motherland, the people and the law. A large number of advanced models, such as Wu Guoqing, Cui Daozhi and Shixian Chen, have emerged, such as Anhui Anti-vice Team, Jiangsu Nantong Interpol Detachment, Fujian Jinjiang Interpol Brigade and Hebei Shijiazhuang Qiaodong Interpol Brigade. In the past ten years, 24 policemen were awarded the honorary title of "National Advanced Worker" by the State Council, 16 policemen were awarded the title of first-class hero model by the Ministry of Public Security, 97 policemen were awarded the title of second-class hero model, and 294 collectives were awarded the first-class merit. In the struggle against vicious criminals, 549 policemen died gloriously, and 146 1 policemen were heroically injured. Practice has proved that the criminal investigation team is a team that can fight hard, enforce the law fairly and have strong combat effectiveness.