AN EVER-INCREASING NEED FOR PHOTOGRAPHIC DOCUMENTATION IN POLICE AND FIRE REPORTS HAS MADE COMPETENCE IN PHOTOGRAPHY A USEFUL SKILL IN THE SCIENTIFIC INVESTIGATION OF CRIME. THIS FIELDBOOK COVERS A WIDE RANGE OF KNOWLEDGE ABOUT PHOTOGRAPHY, FROM THE BASICS OF LIGHT AND CAMERAS THROUGH FILM, DARKROOMS, NEGATIVES, ENLARGEMENT, AND EXPOSURE. TYPES OF CAMERAS, LENSES, METERS, FLASHES, FILTERS, AND MISCELLANEOUS EQUIPMENT ARE DESCRIBED AND ILLUSTRATED. ALSO TREATED ARE VARIOUS ASPECTS OF ULTRAVIOLET, INFRARED, AND COLOR PHOTOGRAPHY. PRACTICAL USAGES EXAMINED INCLUDE ACCIDENT, CRIME, EVIDENCE, AND INVESTIGATION PHOTOGRAPHY. AS AN AID TO THE DOCUMENT EXAMINER IN DETECTING ALTERATIONS (SUCH AS ON CHECKS) AND IN CLARIFYING OBSCURED WRITING, PHOTOGRAPHY IS SHOWN TO BE INDISPENSABLE. A GLOSSARY OF TERMS, BIBLIOGRAPHY, INDEX, AND EXERCISES DEMONSTRATING METHODS DESCRIBED IN THE TEXT ARE INCLUDED.