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Principles of Forensic DNA for Officers of the Court

How is a Suspect's DNA Obtained?

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National Institute of Justice (NIJ) (ver política de reutilización).
  • Secured from an arrestee or a convicted person under a law requiring such persons to provide DNA samples.
  • Seized during a suspect's arrest or detention.
  • By court order, such as a search warrant or grand jury subpoena. 1
  • By consent or from a sample left in a public place or crime scene.

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