The science of fingerprint identification isn't always cut and dry. This book examines the latest methods and techniques in the science of friction ridge identification, or ridgeology. The author examines every facet of the discipline, from the history of friction ridge identification to the scientific basis and the various steps of the identification process. The book, which features several detailed illustrations and photographs, also includes a new method for Palmar Flexion Crease Identification (palm lines) designed by the author and which has helped solve several criminal cases where fingerprints were not available.