1.By identifying and comparing animal and human hairs under a microscope, investigators gain valuable insight into events that occurred at a crime scene.
2.They can establish physical contact between suspect, victim and crime scene and use the information in court to aid in the prosecution or defense by using the information they find.
3. DNA technology has become as important in the field of hair analysis.
4. “by combining DNA testing with microscope procedures, investigators can now screen for illegal drugs, test for presence of heavy metals, test for nutritional deficiencies and discover the approximate age of a person all by analyzing a single strand of hair.”
Reliability of hair/fiber crime scene data
Even with the smallest piece of hair you could solve some of the most important parts of
a crime. If it has DNA on it or any other piece of fiber or materials this could help cases
to a extent of solving it. Or certain fibers that are not in a certain region that could
pinpoint a certain area of interest.
Citations: http://www.ehow.com/about_6102496_forensic-science_-hair-fiber-analysis.html
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