The article analyzes various aspects of processing the results and materials of operational-search activities (hereinafter referred to as OSA), in particular, definitions of OSA and operational-search measures (hereinafter OSM) are given and the meaning of these concepts is compared, a definition of pre-investigation checks, results and materials are given  operational-search activity, the significance of the grounds and conditions necessary for conducting an OSA, the types and classification of the OSA are indicated.  Also in this article, a comparative study of various norms of the national criminal procedure legislation related to the use of evidence obtained through the conduct of the OSM was carried out.  In addition, this article indicates scientific approaches to the possibilities of using evidence obtained as a result of the OSM, as well as ways to include materials obtained during the OSA in the evidence, the presence of general and special requirements for the admissibility of OSA materials is highlighted and indicated, and also listed and  the general requirements for the admissibility of these materials are disclosed in detail.

Operational-search activity, operational-search measures, results of the operational-search activity

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