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Knock & Announce

I was recently in a class where a discussion about “No knock” and “Knock & Announce” (K&A) warrant service was discussed. The context of the discussion was in relation to police use of night vision for warrant service. I have previously written an article with some thoughts and guidelines for NVG use by police, the discussion above transitioned to law in general. I have previously heard from other cops about what a “reasonable amount of time” is during the K&A procedure. The reality is that there is no defined time, officers must make that determination for themselves. The US Supreme court ruled as much in the case US V Banks. In that case officers testified that they waited 15-20 seconds for Banks to open the door. Banks was wanted for distribution of cocaine and the warrant was served at 1400 hours. Banks moved to suppress evidence citing that 15-20 seconds was insufficient since he was in the shower and did not hear officers knocking. Even if he had, the time was insufficient for him to exit the shower and robe himself to open the door. The court noted that the case turned on “the significance of exigency revealed by circumstances


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