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Hairs and fibers examinations.(Evidence Examinations)
Hairs
Hair examinations can determine whether hairs are animal or human. Race, body area, method of removal, damage, and alteration (e.g., bleaching or dyeing) can be determined from human hair analysis. Examinations can associate a hair to a person on the basis of microscopic characteristics in the hair but cannot provide absolute personal identification. Hairs that are associated will be submitted for mitochondrial DNA analysis. The animal species and family can be determined from hair analysis.
Fibers
Fiber examinations can identify the type of fiber such as animal (wool), vegetable (cotton), mineral (glass), and synthetic (manufactured). Questioned fibers can be compared to fibers from victim(s)' and suspect(s)' clothing, carpeting, and other textiles. A questioned piece of fabric can be physically matched to ...
- Abrasives examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...abrasives evidence should be directed to 703-632-8441. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Employ personnel familiar with engine and machinery operations...
- Arson examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...arson evidence should be directed to 703-632-7641. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Ignitable liquids are volatile and easily lost through evaporation...
- Ink examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...ink evidence should be directed to 703-632-8441. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Pack ink evidence separately from any document or surface with...
- Soil examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...soil evidence should be directed to 703-632-7690. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Collect soil samples as soon as possible, because the soil at...
- Tape examinations.(Evidence Examinations)(tape evidence)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...tape evidence should be directed to 703-632-8441. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Whenever possible, submit tape still adhered to the substrate...
- Toolmark examinations.(Evidence Examinations)
- Handbook of Forensic Services January 1, 2003 700+ words
...toolmark evidence should be directed to 703-632-8442. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * If possible, submit the toolmarked evidence. * If it is not possible...
- Anthropological examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...anthropological evidence should be directed to 703-632-7691. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Clean and air-dry bones, if possible. Pack in paper bags and...
- Feather examinations.(Evidence Examinations)(Brief Article)
- Handbook of Forensic Services January 1, 2003 700+ words
...feather evidence should be directed to 703-632-7690. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence. * Submit feathers in heat-sealed or resealable plastic bags or...