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Recent developments in the methods of estimating shooting distance.

Arie Zeichner1, Baruch Glattstein

  • 1Division of Identification and Forensic Science, Israel Police National Headquarters, Jerusalem 91906, Israel. alzit@netvision.net.il

Thescientificworldjournal
|June 14, 2003
PubMed
Summary

This review covers recent advancements in estimating firearm shooting distances using clothing, cadavers, and lab exhibits. It details methods like visual inspection, color tests, and gunshot residue analysis for bullet holes.

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Area of Science:

  • Forensic Science
  • Ballistics
  • Trace Evidence Analysis

Background:

  • Estimating shooting distance is crucial in forensic investigations.
  • Accurate determination aids in reconstructing crime scenes.
  • Previous methods have limitations in certain scenarios.

Purpose of the Study:

  • To review developments in shooting distance estimation methods over the last decade.
  • To consolidate information on techniques applicable to various evidence types.
  • To exclude methods not relevant to the scope of this review.

Main Methods:

  • Visual and microscopic examination of evidence.
  • Application of color tests for residue detection.
  • Instrumental analysis of gunshot residue (GSR) patterns.

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  • Examination of clothing, cadavers, and non-laboratory exhibits.

    • Main Results:

    • Multiple methods exist for estimating shooting distance.
    • GSR analysis around bullet entrance holes is a key indicator.
    • Visual and instrumental techniques provide complementary data.
    • The review focuses on handgun and rifle projectile impacts.

    Conclusions:

    • Recent advancements offer improved accuracy in shooting distance estimation.
    • A combination of methods enhances reliability.
    • Further research may refine existing techniques for forensic applications.