Knowra Expert witness Expert witness An expert witness is a specialist who gives opinion evidence in legal proceedings based on relevant knowledge, skill, experience, training, or education.
Expert testimony : Opinion evidence offered in legal proceedings by a person qualified as an expert. This is the evidence an expert witness is appointed to provide.
Forensic science : The application of scientific methods to questions arising in legal investigations and proceedings. Forensic specialists often testify about evidence and the limits of their analyses.
Fact witness : A witness who testifies about events or facts personally perceived rather than offering specialized opinions. Unlike an expert, a fact witness generally bases testimony on direct experience of events.
Junk science : A label for claims presented as scientific despite inadequate methods, evidence, or reliability. Courts must distinguish dependable expertise from unsupported claims dressed as science.
Daubert standard : A United States rule for assessing whether expert testimony rests on reliable methods and fits the case. Federal judges use it to screen proposed expert evidence.
Forensic pathology : The medical specialty that investigates deaths for legal purposes, including cause and manner of death. Forensic pathologists may explain autopsy findings in criminal and civil cases.
Lay witness : A non-expert witness who may testify from personal knowledge and, within limits, ordinary inferences. The distinction marks the boundary between ordinary testimony and specialized opinion.
Forensic science reform : Efforts to improve the validity, transparency, and oversight of forensic methods used in legal settings. Scrutiny of forensic testimony has driven calls for stronger standards and safeguards.
Frye standard : A rule admitting scientific evidence when its underlying principle is generally accepted in its relevant field. It offers a different admissibility test from Daubert in some jurisdictions.
Forensic accounting : The use of accounting and investigative skills to examine financial matters relevant to legal disputes. These specialists interpret records in fraud, damages, and business litigation.
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