If a police officer has a valid search warrant for a search without a proper knock-notice, what is the impact of knocking-notice requirements?

Even if officers have a valid search warrant, they must nevertheless comply with knock-notice requirements. If they fail to do so, the evidence gained must be suppressed. ( 1531; Jeter v. Superior Court (1983) 138 Cal.App.3d 934, 188 Cal.Rptr. 351.) Thus, the method of entry exists as an issue [156 Cal.App.3d 700] separate and apart from the issue of reasonableness of a search without a search warrant. Since this is so,

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