The Fourth Amendment is the part of the Bill of Rights that prohibits "unreasonable searches and seizures." But — what's unreasonable? That question has fueled a century's worth of court rulings that have dramatically expanded the power of individual police officers in the U.S. Today on the show, how an amendment that was supposed to limit government power has ended up enabling it.To access bonus episodes and listen to Throughline sponsor-free, subscribe to Throughline+ via Apple Podcasts or at plus.npr.org/throughline.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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“What did the council decide on item 42?” — answered with the speaker and the moment.