Criminal investigation mainly learns the basic theories and basic knowledge of criminal law, evidence science, criminal technology, etc., familiar with the relevant laws and regulations, and is able to comprehensively utilize the production of legal documents, crime scene investigation, application of investigative measures, investigation and interrogation, intelligence analysis, and other professional skills to detect and solve cases.

Public Security Organs: Criminal investigation technicians can engage in criminal investigation work in public security organs. They help the police collect, analyze and interpret relevant physical evidence and technical information through the use of a variety of criminal science and technology means, such as fingerprint identification, DNA analysis, image processing, sound analysis, etc., to support the solving of cases.

Forensic Science Research Institutes: Criminal investigation technicians can engage in related research work in forensic science research institutes. They can participate in forensic science research programs, carry out technological innovation and methodological improvement, and improve the level and effectiveness of criminal investigation techniques.

Technology companies and laboratories: criminal investigation technicians can work in technology companies or laboratories. They can participate in the R&D and application of criminal science and technology, develop new technical tools and equipment, and provide technical support and solutions to meet the needs of public security organs and forensic science research organizations.

Education and Training Institutions: Criminal investigation technicians can work as faculty members in education and training institutions. They can serve as teachers or trainers of related disciplines to train a new generation of criminal investigation technicians and impart specialized knowledge and skills.

Criminal investigation technology, as an important tool for crime investigation, has a very bright future with the development of science and technology and changes in crime patterns. With the continuous innovation and application of criminal science and technology, the demand for criminal investigation technicians is also gradually increasing. In particular, the demand for criminal investigation technology will further increase in the investigation of complex crimes, the fight against cybercrime, and the application of big data and artificial intelligence. Therefore, the employment prospects of criminal investigation technicians are relatively good, and there is a large space and opportunity for development.