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NCJ Number: 229768 Find in a Library
Title: Chemical Enhancement of Bloody Footwear Impressions From Buried Substrates
Journal: Journal of Forensic Identification  Volume:60  Issue:1  Dated:January/February 2010  Pages:45-86
Author(s): Siobhan Cullen; Alexandra Otto; Paul N. Cheetham
Date Published: January 2010
Page Count: 42
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: This study examined techniques used to produce surviving footwear impressions post excavation.
Abstract: Results of the study conclude that by careful excavation methodology, and with suitable enhancement techniques, there is a potential for a significant amount of blood-contaminated footwear impressions to be recovered from buried substrates. Also, those impressions recovered can be compared with known impressions to prove identification. Forty-eight identifiable footwear impressions were made with blood on three substrates: cotton, paper, and plastic. These were buried in soil of a neutral type in containers and were excavated at various times during a 4-week time period. Of the original 48 substrates buried, 29 (60 percent) showed visible signs of impressions on excavation. Finally, a systematic evaluation of techniques that react with the components of blood was then carried out. Of the 48 original substrates buried and subsequently excavated, 35 (73 percent) provided adequate visible impressions identifiable to original impressions following chemical enhancement. Limitations and future recommendations are detailed. Tables, figures, references, and appendixes
Main Term(s): Forensic sciences
Index Term(s): Casting techniques; Crime laboratories; Crime scene; Scientific techniques; Shoe prints and tire tracks
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