Ohio ex rel. Eaton v. Price (364 U.S. 263…
“ But if we were to assume that the inspectors were proceeding according to a plan, and even if evidence of the plan were put in at the trial, we think that the result should be the same. The time to make such justification is not in the criminal proceeding, after the householder has acted at his peril in denying access. The time to make it is in advance of prosecution, and the place is before a magistrate empowered to issue warrants, which will put the seal of legitimacy-the seal the Constitution specifically provides for-on the demand of the inspector, if indeed it is a reasonable one. ”
