The article discusses modern technologies and forensic tools that can not only speed up the process of preliminary investigation, but also improve its accuracy and reliability. The materials of earlier scientific research on this issue were used as the factual basis for the article. The methodological basis of the research consists of the dialectical method of cognition, the logical method, the method of system analysis, the method of modeling, and general scientific methods: structural and functional. The authors cite the methods and means used in the preliminary study of narcotic drugs.
Vinogradova et al. (Wed,) studied this question.