A Forensic Geoscience Framework and Practice

作者: R. M. Morgan , E. Allen , Z. L. Lightowler , J. Freudiger-Bonzon , P. A. Bull

DOI: 10.1093/POLICE/PAN021

关键词: Trace (semiology)Living roomForensic scienceClothingContext (language use)Earth sciencePollenComputer science

摘要: Appropriate and correct collection, analysis, interpretation, presentation of geoforensic evidence are contingent upon understanding the specific context particular forensic investigation undertaken. To achieve this, role experimental studies in geoscience must not be underestimated. In this article, we present two that assess spatial distribution pollen a living room nature subsequent transfer onto clothing. The presence cut flowers shown to lead grains all types surface exhibits distance–decay pattern with greatest numbers found close proximity flowers. Once from source location clothing has taken place, our second study demonstrates persistence for dry damp under active inactive conditions. level activity after is have far more influence form comparison or conditions garment. We argue these findings implications stages investigation–from sampling protocols interpretation presence/absence evidence. Whilst every contact does indeed leave trace, it imperative there an appreciation each investigation, meaningful science take place accurate helpful crime reconstructions achieved.

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