TY JOUR TI PROSECUTORIAL SUPERVISION IN THE FIELD OF OPERATIONAL-INVESTIGATIVE ACTIVITIES: EXPANSION OF LAW ENFORCEMENT BOUNDARIES KW prosecutorial supervision KW operational-investigative activity KW operational-inves- tigative decision KW operational-investigative practices KW confidant KW law KW tacit cooperation KW operational-investigative activity KW information KW crime JO Man: crime and punishment AU Babichev, D.A. PY 2019 IS 27 PB Academy of the FPS of Russia