This book presents crime detection as a dynamic field relying heavily on the past experiences of investigators as well as recent practical and technological innovations. It explores the many external variables that can influence the investigator's success and the specific methods of crime detection and prosecution of law available in today.Fundamentals of criminal investigation–Explores the fundamentals of criminal investigation as practiced by actual police officers on the job. Theory and practice—Blends scientific theories of crime detection with a practical approach to criminal investigation. Duties of both the uniformed officer and criminal investigator–Outlines the duties of each participant while considering the fundamental need for both groups to work in together.  Role of criminal investigator—Emphasizes the role of criminal investigation as a law enforcement responsibility that must be conducted within the framework of the constitution and the practices of a democratic society.Law Enforcement professionals.