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What Every Law Enforcement Officer Should Know About DNA Evidence

Investigators and Evidence Technicians

Plastic Bags

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Use of plastic bags:

  • Use plastic bags for the transportation of body fluids only when there are excessive body fluids and the contamination of individuals or other items is a concern. Paper packaging is preferred if saturation is not a problem.
  • Wet or moist body fluids should never be packaged in plastic bags for long periods of time. Doing so promotes bacterial growth and evidence contamination, which interferes with DNA testing.

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