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What Every Law Enforcement Officer Should Know About DNA Evidence

Investigators and Evidence Technicians

Collection of Hair Evidence

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Image of technician collecting hair evidence
National Institute of Justice (NIJ) (ver política de reutilización).

Collection Procedures for Hair Evidence

The collection procedures for hair evidence are:

  • Use a clean pair of forceps to collect the evidence
  • Each group of hair should be packaged separately, sealed, and labeled
  • Avoid damaging any hair root samples

Hairs mixed with blood, tissue, or other body fluids should be air-dried and placed in separate envelopes.

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