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Blood Stain Pattern Analysis A nice young female is quietly walking back to her apartment late in the night, when she feels someone watching her. She quickly whips
blood stains are usually the most detailed when it comes to photographs, notes, and sketching. Blood stain pattern analysis is the most commonly used method of crime
scene and the type of weapon, if any, that was used can be uncovered. Blood differs from water in that it is a less viscous liquid. The teardrop that is formed by
where the victims aren't able to. Blood or semen stains on clothing, sperm cells found in a vaginal swab taken after a rape, or root hairs are all available for analysis.
fingerprints, photographs, Age, Dental features, Radiological evidence, blood factors, and medical indications. Another way is through Genetic Fingerprints. The human
Submitted by trentkendrick on April 2, 2007
Category: Science
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A nice young female is quietly walking back to her apartment late in the night, when she feels someone watching her. She quickly whips around to find that she is staring in the pure darkness. Nothing is there, she thinks to herself, but she can still feel the pure eeriness of someone watching her. She quickens her pace to make it to her apartment safely, but when she is about to be safely behind a locked door, something comes crashing down on her head. Blood goes splattering everywhere.
The criminal investigators come in the next morning to investigate what happened to this innocent lady. They put all their knowledge together and decide to try to solve this case by using what? Bloodstain Pattern Analysis!
Blood, the red liquid that is pumped through the arteries and is made up of many different cells, is forced out of the body in accidents and crimes. Each specie has different consistency of blood. Scientist's results are based on Homo sapiens blood. If they were to use animal blood the results would never come to be the same.
When thinking of bloodstain pattern analysis, one probably thinks, "Hmmm must be some complicated forensic science technology!" Actually, it is not; forensic scientists have used it since the 1890's. Bloodstain pattern analysis has been around for as long as fingerprinting has been used as a means to identify criminals. Hans Gross, in his 1892 papers, "Criminal Investigations," described bloodstains found at crime scenes and that the direction of the bloodstains could be determined by the shape of the bloodstain.
Balthazard, a French criminal analyst, found that the angle a bloodstain stuck the surface could be determined by dividing the width of a bloodstain by the length. This helped in determining the location from which the bloodstain came from. Eventually, they put this worked under the category of forensic science.
In defining bloodstain pattern analysis, some might say,...
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