Dr. Hussein Al-Ghalbi's work delves into the critical legal framework governing interrogation during the preliminary investigation phase. This book meticulously outlines the fundamental rules and essential guarantees afforded to suspects, ensuring their rights are protected against potential abuses of power. It serves as an indispensable resource for legal professionals, human rights advocates, and students of criminal law, offering a detailed analysis of procedural safeguards, the validity of confessions, and the delicate balance between effective law enforcement and the preservation of individual liberties in modern justice systems.