Operational experiment and observation: relationship of concepts

In the article features of operative experiment as operational-search measures are considered, its features and distinctive features from similar operative-search measures, in particular supervision are revealed. The research consists in conducting a comprehensive systematic study of the legal characteristics and correlation of the operational experiment and the operational-search activity surveillance. Analysis is given to the views on the legal nature of operational-search measures "operational experiment" and "observation" that are available in science.