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Trace Evidence
Examinations include:Hairs: Suitability for DNA typing, macroscopic and microscopic comparisons of human hair.Fibers: Identification of fiber type, identification of polymer in synthetic fibers, comparison to known samples.
Paint: Paint identification and comparison. Shoe/tire impressions: Comparison of questioned impressions to known impressions. Tire tread patterns may be identified to a manufacturer. Arson: Identification of flammable or ignitable liquid in liquid form or as residue in burned debris. Explosives: Identification of chemical explosives from samples or post blast residue. Physical matches: Absolute association between cut, broken or torn pieces of any material. Gunshot residue on the hands: Identification of firearm discharge residue on a suspected shooter's hands. Other materials: Identification of unknown particles using microscopical techniques and other instrumentation. |
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