TY JOUR TI Criminal Procedure Documents as a Form of Expression of the Ongoing Investigation: Concept, Signs, Classification KW criminal process KW document KW criminal procedure document KW criminal case KW systematization KW information KW classification KW registration KW investigation KW inquiry KW court JO Bulletin of the Kazan Law Institute of MIA Russia AU Gimazetdinova, I.N. PY 2022 IS 13 PB Kazan law institute Ministry of Internal Affairs Russian Federation