The practical significance of special fields such as linguo-criminol- ogy, forensic linguistics, court rhetoric, linguistics of the legal language, lin- guistics of law-making, which arose on the basis of the mutual integration of the fields of linguistics and jurisprudence at the world level, is highly ap- preciated. In particular, in the process of judicial investigation, it is of great importance to carry out tasks such as checking and analyzing criminalistic texts in the linguistic aspect, identifying problematic situations and givingthem a legal assessment. This article discusses the methodology of linguis- tic research of texts related to the judicial investigation process. This meth- od plays an important role in text research.