Law Dictionary

fruit of the poisonous tree

legal Definition of fruit of the poisonous tree

1 : a doctrine of evidence: evidence that is derived from or gathered during an illegal action (as an unlawful search) cannot be admitted into court
2 : evidence that is inadmissible under an evidentiary exclusionary rule because it was derived from or gathered during an illegal action — see also Wong Sun v. United States — compare independent source, inevitable discovery, plain view

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