The concept of 15-minute cities — where a person's daily needs in a city are accessible within a 15-minute walk, bike or transit ride from their home — is a few years old. It's been picked up by many cities to guide urban planning and design. But in recent months, the 15-minute city idea has also been seized on by people who fear it's an elaborate conspiracy to limit individual freedoms, mobility, and to create barricaded sectors to keep them trapped.

In this episode, Tiffany Hsu, a reporter who covers disinformation for the New York Times, breaks down the actual idea, where it came from, and how it got twisted into a dystopian conspiracy.