The use of small bloodstains in blood source area of origin determinations

Mark Reynolds, M.A. Raymond, Ian Dadour

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The study found that an apparent power law relationship may exist between the size of a parent blood droplet and the role of viscous and surface tension forces on subsequent bloodstain formation, particularly on those bloodstains caused by small droplets impacting obliquely with planar surfaces. Data were collected and measured using computer generated measuring systems, and compared to identical tests on larger droplets. This two part study examined small bloodstains using angle calculation theory using vertical droplets on inclined surfaces in part one, and experimentally generated impact spattered droplets in part two. The study concludes that until further research is conducted, caution should be exercised on the use of small droplets for blood source area of origin determinations.
    Original languageEnglish
    Pages (from-to)133-146
    JournalCanadian Society of Forensic Science journal
    Volume42
    Issue number2
    Publication statusPublished - 2009

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