Forensic characteristics of injuries sustained during the explosion of defensive grenades

Abstract

BACKGROUND: The forensic examination of explosive injuries caused by fragmentation hand grenades is currently of particular interest because of high incidence and the lack of differential diagnostic criteria.

AIM: To examine the morphological characteristics of injuries associated with the detonation of defensive fragmentation hand grenades F-1 and RGO.

MATERIALS AND METHODS: The present study was conducted by visual assessments and measurements, along with observation, comparison, generalization, and systematization of the results obtained. Scanning electron microscopy and energy-dispersive X-ray spectroscopy were performed using a Hitachi FlexSem1000 II scanning electron microscope and a Bruker Quantax 80 energy-dispersive X-ray spectrometer for microstructural analysis.

RESULTS: A detailed morphology of the explosive injury caused by the most commonly used defensive fragmentation hand grenades at varying distances was analyzed.

CONCLUSIONS: The established morphological characteristics of the explosive injury caused by F-1 and RGO fragmentation hand grenades suggest that the type of grenade and the distance to the explosion epicenter can be reliably determined by the pattern of soot deposition, the number and morphology of tissue and biological object injuries. Scanning electron microscopy and energy-dispersive X-ray spectroscopy revealed the typical chemical composition of the damaging elements.

Keywords

explosive injury / fragmentation hand grenades / fragmentation injury

References

[1] Bozhchenko AP, Isakov VD, Yagmurov OD, et al. Dynamics and structure of forensic medical investigations of violent death in St. Petersburg over the past 10 years. Russian Journal of Forensic Medicine. 2022;8(3):37–46. doi: 10.17816/fm694 EDN: CKTKBD

[2] Evdokimov VI, Sivashchenko PP, Ivanov VV, Khominets VV. Medical and statistical indicators of injuries among contract military personnel (privates, sergeants and foreman) in the Armed Forces of the Russian Federation (2003–2019). Medicо-Biological and Socio-Psychological Problems of Safety in Emergency Situations. 2020;(4):87–104. doi: 10.25016/2541-7487-2020-0-4-87-104 EDN: DTBBDJ

[3] Pigolkin YuI, editor. Forensic medicine and forensic medical examination: national guidelines. Moscow: GEOTAR-Media; 2024. (In Russ.) doi: 10.33029/9704-8267-4-FME-2024-1-784

[4] Kuzmina VA, Pinchuk PV, Leonov SV, Vereskunov AM. Forensic medical characteristics of injuries caused by damaging factors during the explosion of hand fragmentation grenades F-1, RGD-5, RGN. In: Proceedings of the X Anniversary International Congress “Current issues of forensic medicine and expert practice — 2023”. Moscow, 2023 Apr 19–20. Moscow: FME Association; 2023. P. 148–151. (In Russ.)

[5] Kuzmina VA, Leonov SV, Pinchuk PV, et al. Forensic characteristic of damages caused by offensive grenades detonation. Forensic Medical Expertise. 2024;67(4):31–36. doi: 10.17116/sudmed20246704131 EDN: BVJXDU

[6] Kuzmina VA, Leonov SV, Pinchuk PV. Morphological features of damage caused by the explosion of hand fragmentation grenades F-1. In: Proceedings of the All-Russian Scientific and Practical Conference “Forensic medicine: history and modernity (on the 225th anniversary of the formation of the Department of Forensic Medicine of the Military Medical Academy)”. St. Petersburg, 2024 Mar 15. P. 62–65. EDN: IYDTPJ

[7] Dildin YuM, Martynov VV, Semenov AYu, Shmyrev AA. Explosive devices of industrial manufacture and their forensic investigation: a study guide. Moscow; 1991. (In Russ).

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