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What Every Law Enforcement Officer Should Know About DNA Evidence

First Responding Officers

Lesson Summary

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  • DNA evidence and why it may affect how a crime scene is processed
  • The responsibilities of a first responding law enforcement officer, including how to establish a chain of custody of evidence, and the importance of maintaining crime scene integrity
  • The sources, locations and the limitations of DNA evidence
  • The importance of elimination and reference samples
  • The CODIS and how it is used to solve crimes

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