Indexing of electronic messages during the investigation of crimes

The article is devoted to the issues of electronic correspondence. Currently, electronic correspondence occupies an important place in people's lives and is the most popular tool for information exchange. Therefore, electronic messages are an important component of the evidence base. The great importance of electronic correspondence and the spread of the use of mobile devices by people places new and new demands on scientists, lawyers, criminologists and investigators. It requires coverage of the basic features and specifics of electronic correspondence, as well as methods of searching for relevant messages. The article is devoted to the study of a large array of electronic messages by indexing. The article describes the methods of searching by e-mail. Due to the popularity of this method of information exchange, electronic correspondence can be quite voluminous and not always relevant to the subject of proof. In order to delineate the range of messages related to proof, it is necessary to use indexing of electronic messages. This is one of the ways to find the right information. Indexing consists in keyword search. The article describes the tools and mechanisms of such a search, the necessary software. The article also describes an algorithm for identifying the most useful keywords for searching and the use of such an algorithm for compiling a list of keywords by an investigator.