English

Noun

exclusionary rule ‎(plural exclusionary rules)

1. (US, law) A doctrine which requires that evidence obtained as the result of an illegal act on the part of law enforcement personnel (such as a warrantless search, or continued questioning a witness who has invoked the right of counsel) must therefore be excluded from being admitted as evidence in a trial. This rule does not apply in civil proceedings, although statutes sometime specifically provide for exclusion of such evidence.

See also

• fruit of the poisonous tree