TY JOUR TI Components of the factual basis to be proved for the decision on state protection of participants in criminal proceedings KW criminal process KW participants in criminal proceedings KW state protection KW decision-making KW factual grounds KW proof KW means of proof JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Sokolov, D.S. AU Afanas'ev, A.Y. PY 2021 IS 2021 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia