knock and announce 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
Seen and Heard
What made you want to look up knock and announce rule? Please tell us where you read or heard it (including the quote, if possible).