The purpose of the article is to ensure the rights and freedoms of the suspect in the field of modern transformations of the criminal procedure legislation. In this article, the authors attempted to analyze the problems arising in practice of ensuring the rights and freedoms of the suspect (accused) in the light of modern changes in the criminal procedural law in the CIS countries, comparing them with the changes that have taken place and are currently being improved in the legislation of the European Union. The methodological and empirical basis for writing this article was composed of the general scientific dialectic method of cognition and the pri-vate scientific methods, which include historical-legal, systemic-functional, formal-logical, comparative-legal, etc. The authors studied only the latest and most relevant standards that meet the latest trends in criminal procedure legislation in the field of granting and protecting the rights and freedoms of a suspect (accused).