The book "Preliminary investigation in the OVD . Textbook. H. 2", edited by M. In. Meshkova is an important and relevant work that will become an indispensable assistant for law students, practicing lawyers, as well as employees of internal affairs bodies. This textbook is not just a collection of theoretical knowledge, but a deep immersion in the practical aspects of the preliminary investigation, which is a key element of the criminal process in Russia. The second volume of the textbook continues the study of the topics raised in the first part, and offers the reader a more detailed consideration of issues related to the conduct of preliminary investigation in the context of modern realities. The book covers a wide range of topics, including investigative techniques, handling evidence, and interacting with other law enforcement agencies. Each section is written with a focus on the practical application of knowledge, which makes the material accessible and understandable to the reader. For whom is this textbook intended? First of all, it will be useful for students and postgraduates of legal specialties who seek to better understand the mechanisms of the internal affairs bodies and the peculiarities of the criminal process . In addition, the book will be of interest to practicing lawyers, investigators and lawyers who want to update their knowledge and get acquainted with new approaches in the field of preliminary investigation. It can also attract the attention of teachers who are looking for quality teaching materials for their students. The topics raised in the book are very diverse and relevant. It addresses issues related to the rights and obligations of participants in criminal proceedings, as well as the problems faced by investigators in their daily practice. The book focuses on the importance of respect for the rule of law and human rights in the process of preliminary investigation, which makes it especially valuable in the modern legal field. In the face of constant changes in the legislation and practice of law enforcement agencies, this textbook will help readers to stay up to date with the latest trends and innovations. The style of the authors gathered under the editorship of M. In. It is clear and logical .. They strive to convey complex legal concepts in a simple and accessible language, which makes the textbook not only informative, but also fascinating to read. Each section is accompanied by examples from practice, which helps to better absorb the material and see its application in real situations. If you are looking for a qualitative and in-depth study of the issues of preliminary investigation, then “Preliminary investigation in the ATS . Textbook. H. 2" will be a real find for you. This book will not only expand your knowledge, but also help you become a more confident specialist in criminal law. It can become a basis for further study of topics related to criminal proceedings, as well as serve as a reliable reference in your professional activities. Do not miss the opportunity to get acquainted with this unique work, which combines theory and practice, and discover the world of criminal procedure from a new angle. The book "Preliminary investigation in the OVD . Textbook. H. 2" is not just a tutorial, but a powerful tool for your professional growth and development.