Abstract
The article reveals some aspects of the effectiveness of the interaction of investigative and operational units in the investigation of drug smuggling. The scale and rate of drug addiction in the country are such that they call into question the physical and moral health of young people and the future of a significant part of them, as well as the social stability of society in the near future. the scale of drug addiction in the country really threatens the health of the nation. The process of degradation of a significant part of those who could make up the new educated and qualified elite of the state begins. Drug addiction and illicit drug trafficking have an increasingly destructive impact on the development of the world community, provoking political and socio-economic instability in many countries of the world.