Legal Question in Criminal Law in California

Probable cause for a search warrant is found, not in the search warrant, but in an affidavit presented to a judge to obtain the search warrant. Unless it is sealed by the judge, the affidavit should be available in the clerk's office 10 days after the search. If you now the search warrant number that will speed things up. You will need the address and the date of the search to see the affidavit. There may be a charge for copying the affidavit.

There is no legal requirement they show you the warrant before or during the search. They just leave a receipt for any items they take.

In orde to get s warrant, they must swear out an affidavit to a judge that spells out their probable cause. The way to challenge it is with a lawyer.