The police and the military police are responsible for discovering the perpetrators of criminal acts, and one of the methods they use is the investigative action of interrogating the suspect. It is complex and systematically planned and organized process aimed at obtaining statements from persons (and eventually confessions), all for the purpose of elucidating all essential elements and factors of the committed crime. The complexity of the examination lies in the need for thorough preparation of questions, familiarization with known factors, elements, and knowledge about the committed crime, and information about the perpetrator. The examiner must be an experienced person and have the necessary characteristics and professional, general, and special education to carry out this action. The interviewer must be able to use verbal and non-verbal communication and apply different interview techniques or tactics. This work aims to analyze the tactics of conducting interrogation of suspects and determining the key variables that are related to the success of this action. The method used in the paper is the analysis of recordings of interrogations conducted by the Criminal Military Police Division on a sample of N=7, in the period from 2018 to 2021. In the analysis of the recordings, the following variables are examined: the duration of the interrogation, the use of the right to a lawyer, whether the person confessed to the crime, whether the person defended himself by remaining silent, whether the evidence was presented, the way and means of committing the crime, the time and place of the crime, how was the crime reported and interrogation tactics