Criminal science and technology is a special technical means for public security and judicial organs to collect, analyze, examine and identify all kinds of physical evidence related to criminal activities according to 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.
Mainly engaged in criminal investigation technology and other related professional and technical work in public security organs, state security organs, procuratorial organs, prisons and military security departments. But also competent for the public security work of state organs, enterprises and institutions.