Organization of interaction between investigators and employees of operational units at the initial stage of the investigation of a forced disappearance of a person

The article considers the issue of organizing interaction between investigators and employees of operational units at the initial stage of the investigation of a person’s enforced disappearance. The concept of enforced disappearance in international legal acts and national legislation is defined. The understanding of the concept of «interaction» by various authors is indicated. Important aspects of the interaction of pre-trial investigation bodies, the procedural manager with operational units are outlined, the types and procedure for such interaction are analyzed. The legislative basis for the interaction of pre-trial investigation bodies and operational employees is analyzed both within the framework of national legislation and at the level of international regulatory legal acts. The ways of organizing interaction, monitoring the implementation of the instructions and instructions provided within the framework of criminal proceedings are listed. The circumstances that worsen the quality of interaction and ways to resolve them are identified. The circumstances that positively affect interaction and contribute to achieving a positive criminal procedural outcome are indicated. The issues that are resolved during the execution of assignments by operational officers are listed, the most common investigative (search) actions, covert investigative (search) actions that are carried out by operational units on assignments, aimed at establishing the truth in criminal proceedings related to enforced disappearance. In addition, the article indicates the forms of interaction and procedural actions that are not provided for in national legislation, but are enshrined in international treaties ratified by Ukraine. The peculiarities of interaction between pre-trial investigation bodies and operational units in the conditions of armed aggression of the russian federation, when the number of persons who are victims of enforced disappearance is growing daily, are established. Attention is paid to the international legal aspect of such interaction. The capabilities of Interpol during the international search for persons involved in the commission of enforced disappearance are determined. The results are summarized and the most effective forms of interaction between pre-trial investigation bodies and operational units during the investigation of the enforced disappearance of a person are determined.