This guidebook illustrates the basic concepts involved in the science of fingerprints and fingerprint identification. It clarifies many of the oversimplified generalities that pervade the science of fingerprint identification and highlights the many possibilities and limitations of fingerprint identification. Chapters are arranged logically to facilitate greater knowledge and skills. The second edition highlights the full breadth of OC Dactylscopy, OCO the science of friction skin individualization. A full explanation of forensic scienceOCOs comparative methodology, Analysis, Comparison, Evaluation, and Verification process, or ACE-V, is reviewed. A detailed narrative of the Daubert requirements is provided and how these new procedural directives cover the admission of scientific evidence and expert testimony. The guide also offers ideas for upgrading standard operational office procedures relating to fingerprint comparisons and is followed by a training outline. This outline will allow 10-print and latent print examiners to reach their full potential as specialized experts. A new glossary offers 356 comprehensive definitions of fingerprint terms. The chapters are liberally illustrated to aid the reader. The book is designed to be read in its entirety or to be referenced as a guidebook, as many concepts and information are repeated and cross-referenced. The information helps the reader to understand the relationships, benefits, and limitations of crime scene fingerprint evidence. Contrast will be an excellent quick reference source and is intended for new and experienced crime scene investigators, patrol officers, attorneys, and criminal justice students who seek to add fingerprint identification to their investigative skills."