Seymour v. United States

Appellant has been convicted of keeping a bawdy house. Her chief contention is that the warrant on which she was arrested was obtained without probable cause in violation of the Fourth Amendment, so that the arrest was unlawful and the evidence it uncovered should have been excluded. We think there was plenty of probable cause, partly, in what the officers who swore out the warrant had observed and partly in what other persons had told them. “Probable cause exists where ‘the facts and circumstances within their [the officers’] knowledge and of which they had reasonably trustworthy information…