The following excerpt is from U.S. v. Depew, 8 F.3d 1424 (9th Cir. 1993):
Before a search warrant may issue, evidence must be submitted establishing probable cause that contraband or evidence of a crime will be found in the place to be searched. Illinois v. Gates, 462 U.S. 213, 230, 103 S.Ct. 2317, 2328, 76 L.Ed.2d 527 (1983). "The task of the issuing magistrate is simply to make a practical, commonsense decision whether, given all the circumstances set forth in the affidavit before him, including the 'veracity' and 'basis of knowledge' of persons supplying hearsay information, there is a fair probability that contraband or evidence of a crime will be found in a particular place." Id. at 238, 103 S.Ct. at 2332.
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