%0 Journal Article %T The extreme necessity and its importance in operational and investigative activities %A Nikulenko, A.V. %K criminal law, criminal legislation, crime, circumstances precluding the criminality of the act, extreme necessity, operational-search activity, legislation on operational-search activity %J Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia %D 2019 %N 2019 %P 5 %I SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION