Over the past few years, Curious City has answered many questions about Chicago streets: why they get cleaned, why some get names but others receives numbers, and why portions of the Kennedy Expressway sometimes switch directions. But what caught South Side resident Saundra Oglesby’s attention is what’s missing from city streets, or rather who has been missing. We met Saundra just once, but her question needs little clarification: Why aren’t truancy officers riding around like they used to?