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What Every Law Enforcement Officer Should Know About DNA Evidence

First Responding Officers

Crime Scene Integrity

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Image of police crime scene tape
National Institute of Justice (NIJ) (see reuse policy).

Crime Scene Integrity

Protection of the crime scene is essential to the protection of evidence. Safeguarding and preserving evidence is fundamental to the successful solution of a crime. Remember, while documenting evidence at the crime scene, to include descriptions of whether evidence was found wet or dry. An example of this documentation would include blood spatters.

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