When an officer's experience and expertise is relevant to the probable cause determination, the officer must be able to explain sufficiently the basis of that opinion so that it "can be understood by the average reasonably prudent person."

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This statement is true. The U.S. Supreme Court has established this standard for probable cause determinations in Illinois v. Gates (1983) and reiterated it in numerous subsequent cases. The standard ensures that the probable cause determination is based on objective facts rather than subjective opinions of law enforcement officers.

When an Officer's Experience and Expertise Is Relevant to the Probable