The Science of Fingerprints: Classification and Uses

This 1957 FBI publication offers a fascinating window into the early days of forensic science as practiced by America's premier law enforcement agency. Written when fingerprint identification was still revolutionizing criminal investigations, the handbook walks readers through the FBI's pioneering classification system and the logic behind it. It covers the various pattern types, the methodology for cataloging and matching prints, and the bureau's centralized identification service that served as a model for law enforcement worldwide. Beyond criminals, the book highlights humanitarian applications: identifying missing persons, unknown soldiers, and victims of disasters. The text radiates the confidence of an era when fingerprint evidence was establishing itself as the gold standard in forensic identification, replacing older and less reliable methods. For true crime enthusiasts, criminal justice historians, and anyone curious about the origins of modern forensics, this document provides invaluable insight into how law enforcement harnessed science to solve cases and establish identity with unprecedented certainty.