A witness in a case who has a personal interest in the outcome of that case. For example, a defendant is an interested witness because they have an interest in the outcome of the trial.
In some jurisdictions, the Judge may instruct the jury that, as jurors, they may consider the interest the witness has in the outcome of the case when determining the credibility of the witness’s testimony.
[Last updated in June of 2020 by the Wex Definitions Team]
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