TY JOUR TI Organizational and heuristic bases of the principle of independence and independence of the investigator KW independence and independence of the investigator KW principles of criminal procedure KW heuristic concept KW organizational aspect JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Pyankova, N.V. PY 2021 IS 2020 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia