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A Forensic based empirical study on analysis of the ricochet behavior and ricochet impact marks of Kalashnikov bullets

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dc.contributor.author Nishshanka, N.A.B.M.S.
dc.date.accessioned 2023-12-27T07:18:07Z
dc.date.available 2023-12-27T07:18:07Z
dc.date.issued 2021
dc.identifier.citation Nishshanka, N.A.B.M.S. A Forensic based empirical study on analysis of the ricochet behavior and ricochet impact marks of Kalashnikov bullets. [PhD thesis]. Kelaniya: University of Kelaniya; 2021. 379p en_US
dc.identifier.uri http://repository.kln.ac.lk/handle/123456789/27148
dc.description.abstract Bullet ricochet is a common occurrence in shooting incidents where misaimed or accidentally fired shots ricochet off nearby surfaces and kill or injure victims. When a bullet ricochet incident has led to a death or injury of a victim, the case becomes more serious, and understanding of what exactly happened becomes critical for the investigation and for subsequent criminal trials. In such situations, shooting investigators conduct "bullet ricochet analysis" to understand the accurate ricochet event that transpired. The main objective of a ricochet analysis is to reconstruct the ricocheted bullet's trajectories and approaching angles using the ricochet evidence found in the scene. As ricochet angles and evidence production are unique to a particular bullet-target combination, empirical test results on bullet ricochet studies in the existing literature are considered the most reliable and scientific information to refer to during ricochet analysis. This series of interrelated experiments investigated AK bullet's ricochet behaviours and ricochet-related scientific evidence with 13 different surface types prone to be encountered in bullet Ticochet incidents. The study's outcome presents a series of groundbreaking novel findings that can be used in future AK gun-related investigations, fulfilling a most demanding need in the shooting investigation field. The study's results are a significant departure from the widespread beliefs, such as that ricochet is an unpredictable event and the previous experimental studies are always reliable to refer to during scene reconstructions. The findings highlight the complex and diverse ricochet phenomena of AK bullets with scientific explanations for each behaviour and the significant role play by the ricochet surface type and the bullet type for the subsequent ricochet behaviours. The study also emphasises the great uncertainties and possible errors that might occur even previous experimental studies are used for scene reconstructions. The novelty and the international significance of the findings of this study are evident of already published series of journal articles in the highest-ranked forensic science journals in the world.
dc.language.iso en en_US
dc.publisher University of Kelaniya, Sri Lanka en_US
dc.subject Firearm Investigations
dc.subject AK Gun
dc.subject Bullet Ricochet
dc.subject Scene Reconstruction
dc.subject Ballistics
dc.title A Forensic based empirical study on analysis of the ricochet behavior and ricochet impact marks of Kalashnikov bullets en_US
dc.type Thesis en_US


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