%0 Journal Article
%T The proportion between covert investigative actions and operative-search activities
%A Karl, A.M.
%K operative-search activity, covert search operations, covert investigations, operational purchasing
%J Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia
%D 2019
%N 2019
%P 7
%I SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION