%0 Conference Article %T POSITIVE EXPERIENCE OF INTERDEPARTMENTAL INTERACTION OF INVESTIGATIVE UNITS OF THE INVESTIGATIVE COMMITTEE OF THE RUSSIAN FEDERATION IN CRIMINAL CASES INITIATED ON THE FACTS OF THE UNKNOWN DISAPPEARANCE OF CITIZENS (based on the materials of investigative bodies) %A Elinskiy, V.I. %K interaction, unknown disappearance, investigator, criminal case %J Development of legal systems in Russia and foreign countries: problems of theory and practices %D 2022 %P 5 %I Publishing Center RIOR