Forensic Hair in Crime Scene Investigation - Research Paper Example

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This essay discusses that generally 100 hairs are lost daily by individuals, which increase the chances of the presence of hair at various places. It's important to highlight that found at the crime locations, these hairs can be used as samples to investigate the crime suspects…
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Forensic Hair in Crime Scene Investigation
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Download file to see previous pages Nevertheless, hair analysis can still be an important procedure used for suspecting crimes if used with other similar procedures. Hair is often found at crime scenes and thus, can be used for forensic analysis to reveal important information about the suspect as well as the victim. Since it is very common for humans to shed about 100 hairs daily, it is highly likely that the hair will be found at crime scenes relevant to homicides, assaults, even burglaries, and theft-related crimes. Hair analysis is usually of three kinds, i.e. chemical assays, DNA analysis and the microscopic analysis of the hair to reveal important information about the person the hair belongs to. Moreover, this analysis can be used in a variety of ways to investigate the crime scenes, which will be discussed in this paper. However, there are some issues associated with the forensic hair analysis which will also be addressed in the paper.
Trichology is the scientific term used for the study of hair and the procedures regarding hair analysis that has been used for forensic studies for many years. Thus, hair has always been an important part of the criminal investigation process, whereby practices have evolved and modernized over the years. Earlier, chemical analysis was the most prominent technique being used to match various samples, however, with the modernized DNA techniques, details about the owner of the hair can be revealed (Kintz p. 76). There are, however, three different kinds of forensic hair analysis each of which holds significance for the purpose it offers. The first type involves chemical assays, which is usually used to analyze drug suspects since it offers a test for the metals detection in the body. The second kind of the test, and the most popular one is the DNA testing where the roots of the hair are taken as a sample to analyze the details, ...Download file to see next pagesRead More
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