Hair Analysis In Solving A Crime

787 words - 4 pages

Hair Analysis in Solving a Crime
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Hair Analysis in Solving a Crime

1. Introduction
Hair is among the most commonly used evidences in the crime investigations. Hair analysis is based on its chemical characteristics and physical structure which aid during investigations. It is notable that hairs are easily transferred hence can be left as evidence after a criminal activity. Hair analysis can be of great use in forensic analysis during an investigation since it can help prove crime in various ways. First, hair analysis can easily link a suspect to a crime scene. It can also show the association or link between the suspect and the victim. Hair analysis can also help ...view middle of the document...

Science and Methods Used
The scientific basis for use of hair analysis in forensic investigation depends on the fact that organisms have different physiological, DNA and morphological appearances. Biologists and forensic scientist use these difference that can be observed during hair analysis to help identify suspects in a crime. Hair analysis also help identify the microscopic characteristics of hair which can be used to classify organisms in terms of race, color or as animal or human.
The methods of hair analysis are conducted in phases. The first phase is the identification phase. This face enables criminal investigators to determine the general characteristics of the crime suspect. For instance, it can determine that the suspect is human of African American race and black in color. Microscopic comparison is the next phase of hair analysis. The microscopic characteristics of the hair samples are analyzed. This phase enables forensic scientists to approve that the hair sample originates form the crime scene.
The science and methods used in hair analysis involve a close step after step analysis of hair samples while recognizing various patterns. The method also enables forensic scientist to generate and test hypotheses to prove their validity. Reproducible experiments are conducted repeatedly to confirm the validity of the hypothesis. Hair analysis enables the acquisition of the suspect’s...

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