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What Every Law Enforcement Officer Should Know About DNA Evidence

Investigators and Evidence Technicians

Dried Saliva (continued)

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Image of technician using swab to collect evidence
National Institute of Justice (NIJ) (ver política de reutilización).

Collection Procedures for Dried Saliva (continued)

  • The interior and exterior area of a bite mark should be swabbed with new sterile swabs slightly moistened with distilled water
  • Separate swabs should be used for the interior and exterior of the bite mark, and the swabs should be labeled
  • Air-dry the swabs and package them separately in labeled paper envelopes
  • Do not use plastic bags or containers
  • Store the evidence as cold as possible

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