This book explains and analyzes the penal procedure system in the Kingdom of Saudi Arabia in a scientific and systematic manner that helps researchers and students to recognize the principles and objectives of the Saudi penal procedural system and familiarize themselves with its working mechanism, rules and provisions in light of the most prominent perceptions it witnessed as a result of the establishment of the Investigation and Public Prosecution Commission and the issuance of the Judiciary Law and the penal procedure system and its executive regulations.