Review: The article is devoted to the consideration of the qualifying signs of "hate speech" in the aspect of providing linguistic and forensic expertise in the field of Internet communication in order to ensure the legal and linguistic protection of national security, the constitutional order, public order, health and morality of the population. This concept – «hate speech» - is the subject of scientific discussions in various fields of science and practice: sociology, psychology, linguistics, theory of law, judicial practice. The article analyzes the positions of scientists in relation to the content of the concept of "hate speech". The classification of speech utterances containing signs of "hate speech" is given, which allows focusing the attention of experts - criminologists, conducting linguistic examination of statements in Internet communications, on soft forms of hate speech, the prevention of which is designed to ensure the prevention of crimes and offenses of an extremist orientation. The article also provides examples from the practice of conducting linguistic expertise, speech utterances in text files from an Internet resource.

Keywords: verbal aggression, information threat, internet communication, the language of enmity, enmity, hate, speech act, social group, verbal extremism, linguistic examination of statements