South Dakota Law Enforcement Officer (LEO) Certification Practice Exam

Question: 1 / 400

What does proper DNA evidence protection ensure?

Prevention of contamination

Proper DNA evidence protection is essential for maintaining the integrity and reliability of the evidence collected during a criminal investigation. Prevention of contamination is key because DNA samples can be very delicate and easily tainted by environmental factors or cross-contact with other materials. If DNA evidence is contaminated, it could lead to unreliable results and potentially wrongful conclusions about an individual's involvement in a crime.

Contamination may occur through improper handling, inadequate storage conditions, or exposure to unqualified individuals. Therefore, strict protocols must be followed during the collection, storage, and transportation of DNA evidence to prevent any alteration or degradation of the samples. By ensuring that contamination is avoided, investigators protect the validity of the evidence, which plays a crucial role in legal proceedings.

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Evidence longevity

Increased admissibility

Breach of confidentiality

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