Which statement best describes the role of reasonable suspicion in police stops and seizures?

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Reasonable suspicion is the threshold that allows a police officer to briefly detain someone to investigate possible criminal activity. It’s more than a mere hunch but less than probable cause. The reasoning must be based on specific, articulable facts and rational inferences, viewed through the lens of what a reasonable officer would infer. When this standard is met, the stop is limited in time and scope—the officer can briefly question the person and conduct a quick check for safety or corroborating details. If the investigation reveals probable cause, a fuller arrest or search may follow; if not, the person must be allowed to proceed.

This standard is distinct from requiring probable cause for a stop, and from needing consent or a warrant for every stop. Probable cause justifies arrests or searches, not brief stops. Consent can authorize some actions but is not required for a lawful stop, and warrants are not the sole basis for detaining someone for a brief investigation.