The empirical evaluation and examination of breechface markings on ten consecutively manufactured pistol slides

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dc.contributor.advisorAdams, Dwight
dc.contributor.authorHuang, Sascha
dc.contributor.committeeMemberChristophe, Deion
dc.contributor.committeeMemberMcCoy, Mark R.
dc.date.accessioned2020-05-26T20:40:47Z
dc.date.available2020-05-26T20:40:47Z
dc.date.issued2013
dc.description.abstractPreviously published research and case studies exist pertaining to consecutively manufactured tool marks and the individuality of those markings on tools. This study seeked to assess the Association of Firearm and Tool Mark Examiners (AFTE) Theory of Identification and provide additional research into the investigation of characteristics potentially viewed on the breechfaces of pistol slides. The researcher obtained ten consecutively manufactured Ruger LCP .380 Auto slides for examination. The tool marks exhibited on the breechfaces were macroscopically examined, evaluated in terms of potential for the transfer of subclass characteristics, and examined for the presence of individual characteristics. This research indicated whether breechface markings were accorded to their respective slide or if misidentification by examiners was possible. The first phase of this study was in further validating the AFTE Theory of Identification through generation of a test for AFTE members. This test required examiners to distinguish between subclass and individual characteristics, identify cartridge cases to their respective slide, and determine whether there was potential for misidentification of breechface markings due to subclass carryover. The second phase observed the differences and similarities of examiner ability and IBIS?«BRASSTRAX-3D TM's ability to identify cartridge cases. This study might also function as a test for firearm and tool mark examiners to utilize in their laboratories as a training exercise related to consecutively manufactured breechfaces. The research findings might also facilitate the development of error rates pertaining to this study.
dc.identifier.oclc(OCoLC)ocn871042266
dc.identifier.other(AlmaMMSId)9980204185202196
dc.identifier.urihttps://hdl.handle.net/11244/324777
dc.rightsAll rights reserved by the author, who has granted UCO Chambers Library the non-exclusive right to share this material in its online repositories. Contact UCO Chambers Library's Digital Initiatives Working Group at diwg@uco.edu for the permission policy on the use, reproduction or distribution of this material.
dc.thesis.degreeM.S., Forensic Science
dc.titleThe empirical evaluation and examination of breechface markings on ten consecutively manufactured pistol slides
dc.typeAcademic theses
thesis.degree.grantorJackson College of Graduate Studies
uco.groupUCO - Graduate Works and Theses::UCO - Theses

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