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Hair & Fibers

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Hair & Fibers. How hair and fibers help police identify individuals…. Examinations can associate a hair to a person on the basis of microscopic characteristics in the hair. The characteristics in the hair, but cannot provide absolute personal identification. .

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how hair and fibers help police identify individuals
How hair and fibers help police identify individuals…
  • Examinations can associate a hair to a person on the basis of microscopic characteristics in the hair.
  • The characteristics in the hair, but cannot provide absolute personal identification.
some information that hair can provide
Some information that hair can provide..
  • Hair examinations can determine whether hairs are human or animal.
  • Also the race, body area, method of removal damage, and alternation.
police are unable to provide
Police are unable to provide..
  • An absolute personal identification.
the main characteristics used in analysis of a fiber
The main characteristics used in analysis of a fiber..
  • Some of the main things that Forensic Scientists would look for in a fiber at a crime scene:
  • Texture
  • Shape pattern
  • Color
  • Cross sectional appearance
  • Surface Characteristics (cuticle)
the color of a fiber is the most important characteristic because
The color of a fiber is the most important characteristic because..
  • Color can influence the value given to a particular fiber.
  • Often several dyes are used to give a fiber a desired color.
  • Individual fibers can be colored prior to being spun into yarns
most fiber comparisons are conducted by
Most fiber comparisons are conducted by..
  • fiber examinations involve a comparison of samples from known and questioned sources.
  • It determines whether they are consistent with having originated from the same source
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