The activities of the investigator at the end of the preliminary investigation . Teaching and Practice . The manual is a unique publication created by a team of authors, which will become an indispensable assistant for law students, practicing lawyers, investigators and anyone interested in the intricacies of the criminal process. This manual not only highlights key aspects of the investigator’s work at the final stage of the preliminary investigation, but also offers practical recommendations that will help the reader to better understand the dynamics and nuances of this important area. From the first pages, the book immerses the reader in the world of criminal procedure, revealing the basic principles and methods used by investigators in their daily practice. The authors share their experience and knowledge, which makes the material accessible and understandable even for those who are just beginning their journey in law. The reader will be able to learn how to properly complete the preliminary investigation, what documents need to be prepared and how to avoid common mistakes that may affect the further development of the case. The book will be interesting not only for students and novice lawyers, but also for experienced specialists who want to update their knowledge or get acquainted with new approaches and methods of work of investigators. It can also attract the attention of those who are interested in the legal aspects of the investigation of crimes, as well as anyone who wants to understand more deeply how the criminal justice system in Russia functions. The topics raised in the manual cover a wide range of issues, such as the legal basis for the end of the preliminary investigation, the rights and duties of the investigator, as well as interaction with other participants in the criminal process. The authors emphasize the importance of compliance with procedural rules and regulations, which is the key to successful completion of the case and ensuring justice. The book also addresses the ethical aspects of the investigator's work, which makes it particularly relevant in light of contemporary challenges and requirements for professional activity in law enforcement. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to assimilate complex legal concepts. They use many examples from practice, which makes the material more lively and visual. This manual is not just a set of theoretical knowledge; it offers the reader practical tools and advice that can be applied in real work. If you are looking for literature that will help you understand the intricacies of investigative activities, then “The activities of the investigator at the end of the preliminary investigation” will be an excellent choice. The book can be useful not only for lawyers, but also for students interested in law, as well as for anyone who wants to understand how the criminal justice system works in Russia. In conclusion, this manual is not just a textbook, but a real find for those who seek professional growth in the field of jurisprudence. It will help you not only master the theory, but also prepare you for the real challenges you may face in your practice. Do not miss the opportunity to enrich your knowledge and skills with this unique publication!