CONTENTS Introduction The Identification Division of the FBI Types of Patterns and Their Interpretation Questionable Patterns The Classification Formula and Extensions Classification of Scarred Patterns-Amputation-Missing at Birth Filing Sequence Searching and Referencing How To Take Inked Fingerprints Problems in the Taking of Inked Fingerprints Problems and Practices in Fingerprinting the Dead Establishment of a Local Fingerprint Identification Bureau Latent Impressions Powdering and Lifting Latent Impressions Chemical Development of Latent Impressions The Use of the Fingerprint Camera Preparation of Fingerprint Charts for Court Testimony Unidentified Latent Fingerprint File