Effect of fabric mounting method and backing material on bloodstain patterns of drip stains on textiles

International Journal of Legal Medicine
J Y M Chang, S Michielsen

Abstract

Textiles may provide valuable bloodstain evidence to help piece together events or activities at violent crime scenes. However, in spite of over 75 years of research, there are still difficulties encountered in many cases in the interpretation and identification of bloodstains on textiles. In this study, we dripped porcine blood onto three types of fabric (plain woven, single jersey knit, and denim) that are supported in four different ways (hard, taut, loose, and semi-hard, i.e., fabric laid on denim). These four mounting methods represent different ways in which a textile may be present when blood from a violent act lands on it. This study investigates how the fabric mounting method and backing material affect the appearance of drip stains on textiles. We found that bloodstain patterns formed on fabric lying flat on a hard surface were very different from when the same fabric was suspended loosely. We also found that bloodstains formed on the technical back of single jersey knit were vastly different from those on the technical face. Interestingly, some drip stains showed blood passing through the textile and leaving a stain behind it that resembled insect stains. By observing, recording, and describing how a blood stained te...Continue Reading

References

Feb 11, 1998·International Journal of Legal Medicine·B KargerB Brinkmann
Apr 16, 2005·Journal of Forensic Sciences·Lee Hulse-SmithSanjeev Chandra
Jan 10, 2012·Forensic Science International : Synergy·Craig D Adam
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Citations

Aug 1, 2016·Forensic Science International : Synergy·Therese C de CastroWarwick Duncan
Sep 15, 2019·International Journal of Legal Medicine·David B RiversAndrew Schoeffield
Mar 13, 2020·Journal of Medical Entomology·David B RiversAlexandra Carrigan
Dec 12, 2020·Forensic Science International : Synergy·Fujun WangTiegang Fang
Mar 17, 2021·Journal of Forensic Sciences·Ruksana BabyJiaying Wu

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