Determination of Shape and Angle of Blood Drop Pattern In Relation To Height on Different Surfaces
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 17, Issue 2
Abstract
Blood drops and blood drop pattern are some of the most common form of physical evidence encountered during the forensic investigation of incidents involving violence against a person. This study was carried out at Sam Higginbottom University of Agriculture, Technology and Sciences, Allahabad. The purpose of the study to determine the angle and shape of blood drop pattern analysis on soil, coaltaar, and footpath (cemented block) surfaces were considered. Scientific stand, dropper, measuring scale, pin, thread, protector and discarded blood were used for the purpose of observation. To determine the accuracy of measuring length and width of 2 individual blood drop for the purpose of estimation of angle. The parameters in this study were measured expected angle from 15.750 to 77.750 in relation to height from 15 cm to 120 cm. The outputs from the calculated angles are marginally acceptable with approximately 10% error. For the study of shape of bloodstains, diameter of blood drops between 0.7 cm to 1.4 cm in diameter.
Authors and Affiliations
Geetam Shukla, A. k. Gupta, Vaibhav Saran
Keywords
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- EP ID EP390327
- DOI 10.9790/3008-1204072833
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