The Science of Fingerprints

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