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Improved method for shooting distance estimation. Part III. Bullet holes in cadavers
B Glattstein1, A Zeichner, A Vinokurov
1Division of Identification and Forensic Science, Israel Police National Headquarters, Jerusalem.
Journal of Forensic Sciences
|December 8, 2000
Summary
A novel chemical test using the Modified Griess Test (MGT) enhances gunshot wound analysis. This method improves shooting distance estimation, especially in decomposed bodies or hairy areas, aiding forensic investigations.
Area of Science:
- Forensic Science
- Ballistics
- Toxicology
Background:
- Estimating firearm discharge distance is critical in forensic investigations.
- Traditional methods rely on visual and microscopic examination of gunshot wounds.
- Limitations exist, particularly with decomposed remains or wounds in hairy regions.
Purpose of the Study:
- To introduce an improved method for estimating firing distance on human bodies.
- To incorporate a chemical test to supplement existing examination techniques.
- To enhance the accuracy and scope of gunshot wound analysis.
Main Methods:
- A novel chemical test involving gunpowder residue transfer to an adhesive lifter.
- Visualization of transferred residues as total nitrite via alkaline hydrolysis.
- Application of the Modified Griess Test (MGT) for residue detection.
Main Results:
- The Modified Griess Test (MGT) provides crucial data for shooting distance evaluation in challenging cases.
- The chemical test improves the accuracy of gunshot wound examinations.
- Results can assist in differentiating between entrance and exit wounds.
Conclusions:
- The described method, incorporating the Modified Griess Test (MGT), offers a valuable advancement in forensic ballistics.
- This technique is particularly beneficial for analyzing decomposed bodies and hairy wound areas.
- The method enhances the reliability of determining firearm discharge distances and wound characteristics.