The fact they hair follicles contains cellular materials rich in DNA will give them a strong lead in their investigation. Hence, the excitement.
- The bottom of the hair follicle marks the point where hair growth begins,
- Investigators are often helped in their crime research by the outcome of DNA test.
- Therefore, investigators often seek materials or elements at crime scenes which could be evaluated to gives DNA result of potential suspects.
Therefore, the fact that hair follicles contain cellular materials which are rich in DNA, will excite investigators as that have obtained a key lead in their investigation.
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