The influence of muzzle gas on the temporary cavity.

International Journal of Legal Medicine
Christian SchymaW Gotsmy

Abstract

Shot range, the muzzle-target distance, is a crucial parameter for forensic reconstruction of deaths by firearms. In a large number of cases, especially suicides, the forensic pathologist is confronted with contact or near-contact shots, where muzzle gases play an additional role. This study was conducted to systematically investigate the influence of muzzle gases on the temporary cavity (TC). A total of 72 shots were fired using full metal-jacketed bullets in four forensically relevant calibres from 10-, 5-, 3-, 2- and 1-cm distance and in close contact. Target model was the so-called reference cube (10% gelatine at 4 °C) with 12-cm edge length. The TC was recorded using high-speed video (HSV). Cross-sectional analysis was performed by cutting the blocks to 1-cm slices, which were evaluated by applying the polygon method. The TC of shots from 10 and 5 cm distance had a tubular form. This aspect changed depending on the cartridge with decreasing distance (≤ 3 cm) into a pear-like form, which was typical for contact shots. The cumulated heights of the TC increased with decreasing distance below 3 cm. Contact shots approximately doubled the extension of the TC compared with exclusive energy transfer. Whereas HSV documented an inc...Continue Reading

References

Jan 5, 2002·The American Journal of Forensic Medicine and Pathology·R E KohlmeierV J DiMaio
Oct 12, 2002·International Journal of Legal Medicine·B KargerB Brinkmann
Sep 30, 2004·International Journal of Legal Medicine·M Faller-MarquardtS Pollak
Mar 9, 2007·International Journal of Legal Medicine·M Grosse PerdekampS Pollak
Aug 5, 2011·Forensic Science International : Synergy·C Schyma, B Madea
Nov 15, 2011·International Journal of Legal Medicine·Christian Schyma
Dec 14, 2011·International Journal of Legal Medicine·Cornelius CourtsChristian Schyma
Jun 12, 2012·Forensic Science International. Genetics·Christian SchymaCornelius Courts
Jan 27, 2015·International Journal of Legal Medicine·Christian SchymaCornelius Courts
Feb 20, 2017·Forensic Science International : Synergy·C SchymaB Madea
Apr 27, 2017·Forensic Science, Medicine, and Pathology·Christian SchymaJulia Brünig
Jun 16, 2017·International Journal of Legal Medicine·C SchymaR Müller
Apr 5, 2018·Forensic Science, Medicine, and Pathology·Christian SchymaJulia Brünig
Feb 3, 2019·Forensic Science International : Synergy·C SchymaJ Brünig
Nov 5, 2019·International Journal of Legal Medicine·Christian Walter Albert Schyma

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Citations

Dec 15, 2020·Forensic Science, Medicine, and Pathology·Christian SchymaWalther Gotsmy
Feb 18, 2021·International Journal of Legal Medicine·Jan Euteneuer, Cornelius Courts

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