The purpose of the article is to determine the tactical features of interrogation of persons who are professional participants in court proceedings who have committed crimes against justice Based on the searches conducted, the relevance of the study is substantiated given the high level of legal awareness of these persons, their ability to consciously counteract the investigation and use procedural guarantees as a means of counteraction. It is established that the effectiveness of interrogation in such proceedings largely depends on the level of tactical training of the investigator, the ability to adapt to the conditions of procedural confrontation and compliance with legal standards, in particular, the case law of the European Court of Human Rights. The author reveals the importance of the crime scene for the formation of investigative versions and interrogation planning, emphasizes the importance of studying the personality of the suspect, preliminary modeling of possible behavioral strategies and alternative scenarios of investigative (detective) action. The author analyzes the psychological aspects of interrogation, in particular, the impact of stress on the suspect's behavior, the need to overcome the defensive dominance and establish effective communication contact. The author substantiates the expediency of defense counsel's participation as a guarantor of a person's rights, but emphasizes that his presence complicates the nature of the investigative (detective) action and requires increased flexibility from the investigator. The author concludes that a systematic approach to the organization of interrogation is necessary, which includes legal validity, tactical variability and psychological preparedness as the basis for effective obtaining of reliable and admissible information within criminal proceedings.