The book "Crime Management System (CMS)" presents a comprehensive solution for managing criminal investigations. It emphasizes the importance of the CMS as a critical tool in recording first information reports (FIRs) and initiating the investigative process. The system meticulously records essential details such as the crime's date, time, location, and information about the offenders. This project outlines the development and implementation of a user-friendly interface that addresses the limitations of manual record-keeping by providing a secure, efficient, and automated method for storing and retrieving crime-related data. The proposed system significantly improves the existing manual methods by enhancing data security, reducing the workforce, and ensuring accurate and timely information processing. The CMS aims to streamline operations within crime management departments through detailed modules covering registration, case management, searching, and reporting, facilitating better decision-making and faster response times in criminal investigations.