The monograph is a book about one of the most popular and, in parallel, the most complex types (or genres, as some researchers believe) of journalism. He was nearly two years old.... During this time, the journalistic investigation developed, improved, acquired its own characteristics and its own position in the media. A lot of experience has been gained. It’s not just a matter of practice and practice.... Therefore, such attention is paid to the history of the species (or genre), its characteristics formed in many years of practice. The training manual is also designed to help learn how to work with sources of information within the framework of professional ethics. Evaluate them in terms of reliability and reliability. To learn much more, without which even today, in the times of “instant journalism” and “omnipotence” of new technologies, it is impossible to conduct a qualitative journalistic investigation as a material about events or phenomena that some people or organizations wanted to keep secret.