material witnesses
Essential trial testifiers
Material witnesses are people who possess information or evidence considered essential to a legal proceeding, particularly a criminal trial.
Courts can compel their testimony through subpoena, and in some jurisdictions, material witnesses may be detained to ensure their availability: The prosecution held two material witnesses in protective custody until the trial.
- affidavitSworn written statement
- protective custodyConfinement for someone's safety
- subpoenaWrit requiring testimony
- eyewitnessOne who saw events
- grand juryInvestigative charging body
federal case · criminal trial · testimony · sworn testimony · deposition · prosecution · trial · courtroom · detention · flight risk · evidence · voir dire · defense · corroboration · perjury · sworn statement · cross-examination · sequestration
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