Every person, regardless of age and gender, has the right to protection. Children require a special approach to identifying risks of danger and causing harm. Especially when such a danger is created in a family environment. Therefore, research aimed at identifying problems and improving algorithms for overcoming them during the investigation of criminal offenses related to domestic violence witnessed or suffered by children are relevant. The purpose of the article is to determine the organizational and tactical features of the investigation of criminal offenses related to domestic violence involving children. The methodological basis is formal-legal, systematic, comparative-legal methods, as well as the analysis of investigative practice. As a result, typical problems of identification of children as victims, organization of investigative (search) actions and use of special knowledge are highlighted, algorithm of actions of the investigator is proposed. A conclusion was made about the need for a complex, interdepartmental and child protection-oriented approach in order to minimize the secondary victimization of children and increase the effectiveness of pre-trial investigation.