The monograph systematizes scientific knowledge about the process of non-verbal communication in the context of an urgent practical task - solving the problem of expert analysis and legal assessment of expressive means of social interaction, illustrations of newspaper publications and publicly displayed images that have become the subject of legal disputes and litigation. The presentation of the foundations of the psychology of non-speech communication and methodological criteria for interpreting the communicative content of non-verbal components of printed texts is accompanied by examples from modern law enforcement practice.