Gunshots through laminated glass: expelled compounded fragments as a function of bullet type.

Autor: Lux C; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany. lux@med.uni-frankfurt.de., Krutzek A; Meadow Bridge Training Center, Außerhalb 3, 65468, Trebur, Germany., Reich T; Hessisches Landeskriminalamt, Hölderlinstr. 1-5, 65187, Wiesbaden, Germany., Welkerling S; Hessisches Landeskriminalamt, Hölderlinstr. 1-5, 65187, Wiesbaden, Germany., Federspiel JM; Institute of Legal Medicine, University Hospital of Homburg/Saar, Homburg, Germany., Ramsthaler F; Institute of Legal Medicine, University Hospital of Homburg/Saar, Homburg, Germany., Gruber H; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany., Sauer P; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany., Kern N; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany., Verhoff MA; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany., Kettner M; Institute of Legal Medicine, University Hospital of Frankfurt, Goethe University, Kennedyallee 104, 60596, Frankfurt/Main, Germany.
Jazyk: angličtina
Zdroj: International journal of legal medicine [Int J Legal Med] 2023 Jul; Vol. 137 (4), pp. 1235-1244. Date of Electronic Publication: 2022 Nov 16.
DOI: 10.1007/s00414-022-02904-z
Abstrakt: In the frame of an experimental setting, the formation of round-shaped compounded glass fragments on the exit site after gunshots through a windshield was examined. For that purpose, a 9 × 19 mm pistol (HK P30) and two different cartridges containing (a) a full metal jacketed round-nosed projectile and (b) a deformation projectile were used. On the basis of 52 gunshots, the morphology, impact angles and terminal ballistics of occurring compounded glass fragments were examined. The results showed that the compounded glass fragments' morphology allowed for the differentiation of two used projectiles. Fragments were able to cause round-shaped defects in a single cotton layer (T-shirt) with subsequent penetration of up to 2.4 cm into ballistic gelatin (10%, 4 °C). As a function of the projectile type, the compounded glass fragments showed different reproducible impact angles that differed notably from the known conical pattern of expelled glass fragments after bullet penetration. These findings might help to explain the atypical morphology of gunshot wounds with laminated glass as an intermediate target and prevent possible misinterpretations when reconstructing the sequence of events.
(© 2022. The Author(s).)
Databáze: MEDLINE
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