FIBERS

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• can be identified to a particular material
• Still class evidence
• Can't be traced to exact source

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• Unique characteristics may help lead to specific manufacture

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• Fibers first determined to be natural, manufactured, or a mix of both.

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• Natural fibers come from plants and animals
• Manufacture fibers are synthetics like polyester
• which are made from long chains of molecules called polymers.

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• first step in fiber analysis: compare color &diameter

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• the fiber analyst does the following:
• compares shape
• dye content
• Size
• chemical composition

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• Many Attorneys try to trick the jury
• Try and make fibers appear as individual evidence

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• Fibers lead to clues and breaks in cases
• Not convictions

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• Under a microscope fibers are uniquely different
• Microscope important instrument in analyzing fibers

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• Different tests are used while analyzing fibers
• Microscope help more easily identify differences