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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Hair & Fibers

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Hair fibers

Hair & Fibers


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 different types of fibers are

The different types of fibers are..

  • Wool

  • Cotton

  • Glass


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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