The Science of Fingerprints

About this eBook

Author

United States. Federal Bureau of Investigation

Title

The Science of Fingerprints: Classification and Uses

Credits

Produced by Jason Isbell, Linda Cantoni, and the Online Distributed Proofreading Team at www.pgdp.net

Language

English

LoC Class

HV: Social sciences: Social pathology, Social and Public Welfare

Subject

Fingerprints

Category

Text

eBook-No.

19022

Project Gutenberg

https://www.gutenberg.org/ebooks/19022

Release Date

August 10, 2006

Copyright

Public domain in the USA.

Contents

1. 1.Untitled
2. 2.OF — FINGERPRINTS
3. 3.Classification and Uses — UNITED STATES DEPARTMENT OF JUSTICE — FEDERAL BUREAU OF INVESTIGATION — John Edgar Hoover, Director
4. 4.INTRODUCTION
5. 5.CONTENTS
6. 6.The Identification Division of the FBI
7. 7.Types of Patterns and Their Interpretation — Types of patterns — Interpretation — The loop — Essentials of a loop — Ridge counting — Radial and ulnar loops — The plain arch — The tented arch — The whorl — The plain whorl — Central pocket loop — Double loop — Accidental — Whorl tracing
8. 8.Questionable Patterns
9. 9.The Classification Formula and Extensions — The classification formula — Extensions
10. 10.Classification of Scarred Patterns—Amputations—Missing at Birth — Classification of scarred patterns — Classification of amputations and fingers missing at birth — Classification of bandaged or imprinted fingers
11. 11.Filing Sequence
12. 12.Searching and Referencing — Searching — Referencing
13. 13.How To Take Inked Fingerprints
14. 14.Problems in the Taking of Inked Fingerprints — Mechanical operation — Illegible inked prints — Temporary disabilities — Permanent disabilities — Deformities — General
15. 15.Problems and Practices in Fingerprinting the Dead — Advanced decomposition — Desiccation and charring — Water-soaked fingers — Drying the fingers — X-ray photography — General photography — Deceased infants — Technical consideration — FBI aid
16. 16.Establishment of a Local Fingerprint Identification Bureau — Fingerprinting equipment — Fingerprint files — Name files — Jacket folder file — Dispositions — Death notices — Record of additional arrest — Wanted notices — Photographs — Latent fingerprints
17. 17.Latent Impressions
18. 18.Powdering and Lifting Latent Impressions
19. 19.Chemical Development of Latent Impressions
20. 20.The Use of the Fingerprint Camera
21. 21.Preparation of Fingerprint Charts for Court Testimony
22. 22.Unidentified Latent Fingerprint File

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