Aspects of research written text as an object of forencis linguistic expertise

The article explores aspects of the study of written texts and written fixation of oral speech as the product of speech activity. The necessity of the further development of practically important topics in the study of speech works: diagnosis and identification of the language of personality created by the text; the distinction between spontaneous and written speech; the finding of lack of independence of creating written text. The area with highest demand for research in these areas is a linguistic examination of the text establishes a link between personality, level of language, communicative writing competence, characteristics, purpose and effects of her speech. Proposed overview available in the field of linguistic examination of advances showed that linguistic expertise makes full use of all the achievements of fundamental science: the concept of linguistic identity, typology of texts, literary language and spontaneous speech, the correlation between written and oral forms of expression, norms and development in the communication process, etc.; however, the disposal experts don't have a uniform, systematically organized and empirically grounded base of diagnostic features, necessary in order to fundamental knowledge in linguistics, became the basis for the development of proven technologies in solving practical problems.