期刊
JOURNAL OF FORENSIC SCIENCES
卷 54, 期 2, 页码 443-447出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1556-4029.2008.00979.x
关键词
forensic science; gunshot wounds; firearms; decomposition; insect activity; gunshot distance
资金
- Royal Canadian Mounted Police
- Saint Mary's University
- Canadian Police Research Centre
Previous studies document characteristics of gunshot wounds shortly after they were inflicted. This study was conducted to determine if the early stages of decomposition obscure or alter the physical surface characteristics of gunshot wounds, thereby affecting the quantity and quality of information retrievable from such evidence. The study was conducted in August and September, 2005 in Nova Scotia, Canada in forested and exposed environments. Recently killed pigs were used as research models and were shot six times each at three different ranges (contact, 2.5 cm, and 1.5 m). Under these test conditions, the gunshot wounds maintained the characteristics unique to each gunshot range and changes that occurred during decomposition were not critical to the interpretation of the evidence. It was concluded that changes due to decomposition under the conditions tested would not affect the collection and interpretation of gunshot wound evidence until the skin was degraded in the late active or advanced decay stage of decomposition.
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