California, United States of America
The following excerpt is from People v. Crisp, F065240 (Cal. App. 2014):
If the affidavit is found to have been properly sealed, and the defendant has moved to traverse the warrant, the trial court should then proceed to determine whether the defendant's general allegations of material misrepresentations or omissions are supported by the public and sealed portions of the search warrant affidavit, including any testimony offered at the in camera hearing. Generally, in order to prevail on such a challenge, the defendant must demonstrate that (1) the affidavit included a false statement made "knowingly and intentionally, or with reckless disregard for the truth," and (2) "the allegedly false statement is necessary to the finding of probable cause." (Franks v. Delaware (1978) 438 U.S. 154, 155-156.)
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