This article examines the types of operational investigative activities, the implementation of operational investigative activities and the main tasks of operational investigative activities and measures to ensure the legality of the results of activities, the legality of evidence collected during operational investigative activities, and provides scientific, theoretical and practical recommendations on the basics using this evidence as the main means in the investigation of crimes, as well as in proving guilt at a court hearing. At the same time, the opinions and reasoning of theoretical scientists and experienced employees were analyzed.

Rapid search activities, rapid experiment type of event, conspiracy principle

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