expert witnesses

Courtroom knowledge sources

Expert witnesses are people qualified by specialized knowledge, training, or experience to offer opinions in legal proceedings.

Unlike ordinary witnesses who testify only about what they observed, expert witnesses interpret evidence and draw conclusions within their field of expertise: The prosecution called an expert witness to analyze the blood spatter patterns.

They appear in trials involving forensic science, medicine, engineering, psychology, and countless other disciplines.

Their testimony can be decisive, though opposing sides often bring competing experts who reach different conclusions.

Opposites
role in proceedings

expert witnessesjudges

Legal proceeding overseers

litigants · jurors · defendants · plaintiffs · decision-makers

expertise/qualification status

expert witnesseseyewitnesses

People who directly observed

character witnesses · laypersons · amateurs · common people

Family

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