Page 23 - Strands of Evidence Hair And Fiber

Pre-Lab

Questions

Background Procedure

1. What are the two categories into which 6. What two things will be on the finished slide?
physical evidence is classified? ..............................................................................
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7. How should you label your slides?
2. What is the medullary index and why is it ..............................................................................
important? ..............................................................................
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8. What is the source of the hairs and fibers on
the collection tape?
3. What are some useful features of a fiber to ..............................................................................
use when examining the trace evidence? ..............................................................................
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9. To what are you comparing those hairs and
fibers?
4. What are the most common natural and ..............................................................................
synthetic fibers? ..............................................................................

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10. How should a possible match be determined?
..............................................................................
5. Why should an examiner be very cautious ..............................................................................
about reporting matches between fibers?
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THE MYSTERY OF LYLE AND LOUISE 23