Ultimately, “Introduction to the Philippine Criminal Justice System” is a testament to the resilience and adaptability of the Filipino people, who continue to navigate the challenges of crime and justice with unwavering determination and a commitment to upholding the rule of law. I hope this book will serve as a valuable resource for all seeking to explore, understand, and contribute to the ongoing evolution of the Philippine criminal justice system.

Criminal Investigation and Intelligence are multifaceted, problem-solving challenge. Arriving at the scene of a crime, an officer is often required to rapidly make critical decisions, sometimes involving life and death, based on limited information in a dynamic environment of active and still evolving events. After a criminal event is over, the investigator is expected to preserve the crime scene, collect the evidence, conduct surveillance operation and devise an investigative plan that will lead to the forming of reasonable grounds to identify and arrest the person or persons responsible for the crime. To meet these challenges, police investigators, through training and experience, learn investigative processes to develop investigative plans and prioritize responses.