Forensic examination of homemade firearms – classic methods and newest equipment
Journal Title: ПИТАННЯ БОРОТЬБИ ЗІ ЗЛОЧИННІСТЮ - Year 2018, Vol 2, Issue 36
Abstract
One of the stages in forensic examination of homemade firearms is the determination of its lethality. For this purpose, the examined firearms are test fired and the bullet velocity is measured. This is followed by the calculation of the specific (penetration) energy. There are different methods of bullet velocity measurements. These methods are based on different physical effects and require different equipment. Every method and instrument has different advantages and disadvantages, which influences the practicability of its use. The article gives analysis of the equipment and the methods, which are used for forensic examination of homemade firearms. In the article different instruments used for the bullet velocity measurement are analyzed. The analyses are based on the experience in using this equipment in a ballistic laboratory. The author describes classic methods of measurement, out of date equipment which is no longer in use, also the newest instruments, design specially for the bullet velocity measurement, as well as the multipurpose devices, which may be use. In the article the disadvantages of different methods of measurement, due to the specific character of shots discharged from homemade firearms, are discussed. Among the disadvantages are the complexity of use, the possibility of damage of the equipment during experiments, high price, etc. Based on the results of the analyses, the conclusions about the preferable type of equipment were made. These conclusions can help optimize the process of solving problems of ballistic examinations. The conclusions take into account different limitations which forensic ballistic laboratories may have.
Authors and Affiliations
П. В. Гіверц, P. V. Giverts
Keywords
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