Davis v. United States, 564 U.S. 229 (2011), was a case in which the Supreme Court of the United States "[held] that searches conducted in objectively reasonable reliance on binding appellate precedent are not subject to the exclusionary rule".
[1] This simply means that if law enforcement officers conduct a search in a reasonable manner with respect to established legal precedent any evidence found may not be excluded from trial based on the exclusionary rule.
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