Cornell law professor Sherry F. Colb discusses the concept of “conditional irrelevance”—which she first identified in a law review article in 2001—and explains why the concept is useful for understanding the arguments before the U.S. Supreme Court in Kansas v. Glover. Through the lens of conditional irrelevance, Colb explains why the knowledge of one fact (that the owner of the vehicle in that case lacked a valid license) should not itself provide police reasonable suspicion to stop the vehicle.
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