First, public security science
Public security is an undergraduate major in colleges and universities, which belongs to public security. The basic study period is four years, and the bachelor of law degree is awarded. Public security is a science that studies public security activities and their laws. It is an important part of public security science and a comprehensive applied subject in social science.
The main courses include public security introduction, public security case investigation, public security service, public security population management, community policing, public security crisis management, and dangerous goods management. The training of public security undergraduate majors adheres to the guiding ideology of "attaching importance to loyalty education, strengthening comprehensive quality, consolidating professional foundation and strengthening actual combat ability".
Second, investigation
Investigation is an undergraduate major in colleges and universities in China. The study period is four years, and the degree awarded is Bachelor of Law. Investigation mainly studies the basic knowledge and skills of public security, investigation and criminology, including investigation activities and their laws, investigation systems and theories, and the laws and characteristics of criminal activities.
Accept basic training in criminal law enforcement, investigation and solving cases, arrest and fighting, and carry out investigation, inspection and law enforcement in public security, procuratorial, customs and national security departments. For example: investigation and detection of criminal cases, inspection of smuggled goods and contraband, and investigation of drugs.
Third, criminal science and technology.
Criminal science and technology referred to as criminal technology, also known as material evidence technology, is a special technical means for public security and judicial organs to collect, analyze, examine and identify all kinds of material evidence related to criminal activities in accordance with the provisions of the Criminal Procedure Law of People's Republic of China (PRC), and provide clues and evidence for investigation, prosecution and trial.
The object of criminal science and technology research is material evidence. Criminal science and technology is a special technology that public security and judicial organs collect, examine and identify physical evidence related to criminal activities in accordance with the provisions of the Criminal Procedure Law, and provide clues and evidence for investigation, prosecution and trial. Also referred to as physical evidence technology.