knock and announce rule

noun
knock and an·​nounce rule

Legal Definition of knock and announce rule

: a rule of criminal procedure requiring that police announce their authority and purpose before entering a premises in execution of a search or arrest warrant unless special circumstances (as risk of harm to the police) warrant unannounced or forcible entry — compare exigent circumstances, no-knock search warrant at warrant

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“Knock and announce rule.” Merriam-Webster.com Legal Dictionary, Merriam-Webster, https://www.merriam-webster.com/legal/knock%20and%20announce%20rule. Accessed 11 Aug. 2020.

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