How’s a Magistrate to Know Whether a Confidential Informant Is Reliable?

Search warrant applications are often based on information from confidential informants. Whether the informant is reliable is critical. Information from a reliable informant is often sufficient to establish probable cause, while information from an informant whose reliability isn’t established is often insufficient. So how’s a magistrate to know whether an informant is reliable? A recent opinion from the court of appeals provides an opportunity to examine that question.

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