The article describes the use of linguistic and psychological knowledge in the forensic expert activity of the Republic of Kazakhstan as an independent form of complex psychological and philological research where experts who obtained knowledge in the field of psychology and philology take part.
During the implementation of this type of research, research methods have been developed that are included in the State Register of Methods of Forensic Research of the Republic of Kazakhstan. In addition, the article states that further development of this area in forensic expert activities will contribute to the formation of a new type of research – Forensic Religious Expertise.
The direct application of linguistic knowledge in conducting forensic expertises is subdivided into five areas, such as: expert examination of real works on charges of extremist activity, as well as on charges of violating racial, religious, national and social hate and hostility, linguistic examination of advertising texts and treaties, linguistic expert examination of trademarks, verbal study of crimes related to the propaganda of extremism and terrorism, in the investigation of corruption crimes, fraud, extortion.
The article also shows the connection of the linguistic expertise with other types, for example, with a judicial video phonography examination, in case of the need for identification of the speaker by verbal speech on the phonogram under study, during the author’s examination for the authorship of the text, in the psychological and forensic expertise – for the solution of question of the learned speeches of the suspect, other persons during the interrogation, other investigative actions.
The author presents the results of a comparative analysis of the use of linguistic knowledge abroad, in particular, in the UK. Its peculiarity is that linguistic research is carried out at scientific educational centers of the humanitarian orientation. The following directions in linguistic studies conducted in this country are considered: a) forensic authore-identification, the essence of which is the determining the authorship of oral or written text, individual characteristics of the author (age, way of life, religious and political views, nationality, gender, profession, etc., b) forensic phonetics which involves the use of phonetics and phonology – sections of linguistics, c) forensic stylistics aimed at solving issues related to the plagiarism of the semantic content of the texts, while the author states that in Kazakhstan the decision on this issue is assigned to the competence of authore-identification examination, d) discourse analysis as the most promising type of research at present, is connected with research of written, verbal text in combination with non-verbal means of communication (gestures, facial expressions).
Key words: legal linguistics, discourse, psychological and philological examination, forensic authore-identification, products of speech activity, linguistic research, psychological research.