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, which is mainly responsible for grasping the dynamics and collection 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 generally implement the qualification examination system for investigators, provincial-level criminal investigation experts and national criminal technical young talents, improve the working systems of all criminal police training, on-the-job training, professional training, long-distance telephone teaching, trial, case evaluation and lecture, and organize the investigation of murder case files, simulated murder scene investigation, blind testing in professional laboratories, physical skills competition assessment, etc., so that the majority of criminal police have legal awareness, procedural awareness, evidence awareness, litigation awareness and work.

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) Organize, guide and supervise the 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, so as 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.

(five) to organize and guide the work of combating the crime of abducting and selling women and children.

(six) to undertake cases assigned by superiors.

(7) In charge of material evidence identification center, Nanchang and Kunming police dog training bases, 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

1997 since the reform of criminal investigation, public security organs throughout the country have persistently strengthened the construction of criminal police teams, and the political quality and professional quality of criminal investigation teams throughout the country have continued to grow and develop. The Ministry of Public Security and all localities generally implement the qualification examination system for investigators, provincial-level criminal investigation experts and national criminal technical young talents, improve the working systems of all criminal police training, on-the-job training, professional training, long-distance telephone teaching, trial, case evaluation and lecture, and organize the investigation of murder case files, simulated murder scene investigation, blind testing in professional laboratories, physical skills competition assessment, etc., so that the majority of criminal police have legal awareness, procedural awareness, evidence awareness, litigation awareness and work. The majority of police are loyal to their duties, selfless dedication, tenacious struggle and fair law enforcement. They have withstood the baptism of blood and fire, the test of life and death, and demonstrated their 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, Nantong Interpol Detachment of Jiangsu Province, Jinjiang Interpol Brigade of Fujian Province and Qiaodong Interpol Brigade of Shijiazhuang, Hebei Province. 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 evil 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.