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NCJRS Abstract

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NCJ Number: 158069 Find in a Library
Title: Development of Latent Fingerprints on Paper Using Magnetic Flakes
Journal: Journal of Forensic Sciences  Volume:40  Issue:5  Dated:(September 1995)  Pages:838-842
Author(s): B Wilshire; N Hurley
Date Published: 1995
Page Count: 5
Type: Research (Applied/Empirical)
Format: Article
Language: English
Country: United States of America
Annotation: This article describes the use of magnetic flakes to develop latent fingerprints.
Abstract: Magnetic flakes allow rapid print development, are particularly effective for revealing faint prints, eliminates the airborne particle cloud generated during conventional brush application of standard powders, and can be removed from many surface types by touching the developed print with a rare-earth permanent magnet. The experimental procedures described here demonstrated that excellent print qualities were achieved using a magnetic applicator to apply as-milled dark magnetic flake to prints on various white papers. As-milled bright magnetic flakes also developed good prints on colored paper. Better prints were achieved by sieving the as-milled powders to supply powder samples with restricted flake diameters. Print qualities attained with the magnetic flakes decreased with print age. 3 figures and 8 references
Main Term(s): Science and Technology
Index Term(s): Criminology; Fingerprint image quality; Latent fingerprints
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