Abstract：
:Latent fingerprint visualization on discharged shell casings can provide good forensic evidence, particularly if the casing is recovered at the scene of a crime where a firearm has been discharged. Unfortunately, visualization of such latent fingerprints when they were deposited prior to discharge of the firearm is problematic as both increased temperature and abrasive friction can inhibit fingerprint visualization with conventional techniques. We present a case study that demonstrates latent fingerprint visualization on a discharged shell casing recovered 14 years ago from the scene of a homicide. Previous cyanoacrylate fuming of the casing had failed to reveal any fingerprints. We use a visualization technique in which a conducting carbon powder adheres preferentially to latent fingerprint corrosion of the casing surface, following the application of a potential of 2.5 kV to the casing. This technique presents opportunities for the review of old cases and for consideration of its use in current cases.
journal_name
J Forensic Scijournal_title
Journal of forensic sciencesauthors
Bond JW,Heidel Cdoi
10.1111/j.1556-4029.2009.01059.xsubject
Has Abstractpub_date
2009-07-01 00:00:00pages
892-4issue
4eissn
0022-1198issn
1556-4029pii
JFO1059journal_volume
54pub_type
杂志文章abstract：:Bloodstain pattern analysis (BPA) involves the interpretation of distinct blood patterns found at crime scenes following a violent act. In this paper, we explored for the first time the effects of surface temperatures upon blood impacting a horizontal surface (steel) with its implications in BPA explored. Specific sur...
journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：10.1111/1556-4029.12185
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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更新日期：1990-05-01 00:00:00
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journal_title：Journal of forensic sciences
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更新日期：1982-10-01 00:00:00
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更新日期：1986-01-01 00:00:00
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doi：10.1111/1556-4029.12131
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journal_title：Journal of forensic sciences
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更新日期：1979-10-01 00:00:00
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doi：10.1111/1556-4029.12841
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doi：10.1111/1556-4029.14462
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doi：10.1111/j.1556-4029.2007.00508.x
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doi：10.1111/1556-4029.12689
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
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journal_title：Journal of forensic sciences
pub_type： 杂志文章
doi：
更新日期：1979-04-01 00:00:00
