hostile witness
Noun
Meaning
a witness whose relationship to the opposing party is such that his or her testimony may be prejudiced against the opposing party
Source: WordNetSynonyms
Hypernyms
Examples
a hostile witness can be asked leading questions and cross-examined
Attorneys can influence a hostile witness' responses by using Gestalt psychology to influence the way the witness perceives the situation, and utility theory to understand their likely responses.
As the rule recognizes, the examination of a "hostile witness, an adverse party, or a witness identified with an adverse party" will sometimes take place on direct examination, and leading questions are permitted.