The investigation subjects of university majors mainly include: basic theory of public security, criminology, public security management, criminal law, criminal procedure law, administrative law, self-defense of capturing the enemy, shooting, criminal investigation, material evidence technology, forensic medicine, investigation and interrogation, and on-site investigation.

The employment situation of graduates is still very clear. Employment direction can be engaged in investigation, criminal law enforcement, crime prevention and control, as well as investigation teaching and scientific research work of public security, procuratorial and national security departments.

Introduction to investigation specialty.

Investigative science trains senior professionals with firm and correct political orientation, strict organizational discipline and good professional ethics, who are committed to safeguarding national security and social stability, are familiar with the line, principles, policies and relevant laws and regulations of public security work in China, and systematically master the basic theories, knowledge and skills of investigative science.

Because investigation is a practical subject, the research of investigation theory must focus on investigation practice. Since the reform and opening up 20 years ago, a large number of academic papers and works have been about investigation measures, methods and countermeasures.