Who killed Roger Rabbit: an investigation into stab wounds on bone

James, Rachel (2016) Who killed Roger Rabbit: an investigation into stab wounds on bone. BSc dissertation, University of Portsmouth.

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    In relation to the historically used subjects of forensic archaeology and forensic anthropology forensic taphonomy is a relatively new area of study that is potent to the research carried out within this dissertation. Within forensic taphonomy, is the analysis of peri- and post-mortem trauma injuries. The term sharp force trauma tends to be interchangeable with blunt force trauma although they produce very different injury patterns. Sharp force injuries and offences involving sharp instruments have increased 9% since 2014. In the year ending September 2015, police recorded 27,487 offences involving a knife or sharp instrument.
    The aim of this disse1tation was to determine the effect of impact wounds from various sized knives on skeletal remains after decomposition. The stud was an attempt to aid in criminal investigations where a stabbing has occurred to bones. This study concerns itself with examining how different sized and shaped knives interact with bone, including the ease of identifying characteristics of the wounds and the ease of studying bone once decomposition has occurred. These results could assist in producing the groundwork for a database of trauma marks and increase forensic intelligence.
    Using a non-invasive technique of analysis, the cleaned skulls were examined through a stereomicroscope to identify possible characteristics of the wounds created by fine edged knives. Although the results showed that differences occurred between shape length and width of the injuries; the individual characteristics within the wound could not be determined by this technique alone. The practice of tool casting would aid in the identification of minute details.
    This study concluded that although differences between the marks were noticeable a more detailed analysis would be required to determine individual characteristics. At the very least, the conclusions of this dissertation should prompt further academic discussion into the effects of fine edged knives on bone. This should act as a starting point for further research into this important variable.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Humanities and Social Sciences > Institute of Criminal Justice Studies
    Depositing User: Jane Polwin
    Date Deposited: 20 Oct 2016 11:06
    Last Modified: 20 Oct 2016 11:06
    URI: http://eprints.port.ac.uk/id/eprint/22450

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