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Law 101: Legal Guide for the Forensic Expert

Sources of Scientific Evidence

Photo of a judge, witness, and attorney convening near the stand in a courtroom. Caption reads, 'Law 101: Sources of Scientific Evidence'
National Institute of Justice (NIJ) (see reuse policy).

Learning Objectives

After completing Sources of Scientific Evidence, the user should:

  • Know that experts can have a diversity of employers.
  • Comprehend that experts evaluate or test evidence items and produce analytical reports summarizing their findings.
  • Recognize what type of information can be discovered.
  • Comprehend which information should be maintained by the laboratory.
  • Realize the need for thorough documentation.
  • Know that experts may be hired to evaluate work of another analyst.

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