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Principles of Forensic DNA for Officers of the Court

Retaining DNA Samples

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photo of 3 evidence cards. Each card has 4 circles at the top where evidence (like blood droplet) is located
National Institute of Justice (NIJ) (see reuse policy).

When DNA evidence has been lawfully obtained, there is no limitation placed on future examination of the evidence in connection with any other crime. In this regard, DNA evidence is no different than a lawfully collected fingerprint.

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