Yeardley Smith is one of the most famous women on Earth — though you might not know it if you just bumped into her somewhere, at least until she said something. See, Smith is the voice of Lisa Simpson, the precocious 8-year-old middle child of the Simpson family and the center of some of the show’s very best episodes. (“Lisa’s Substitute”! Sob!)

But Smith is more than the famous kid she’s played for more than 30 years now. She’s starred in numerous films and other TV shows, including the infamous Herman’s Head (sadly, she wasn't one of the people inside Herman’s head) and the Oscar-winning film As Good as It Gets. She’s even made shoes.

But it’s her most recent project that might seem most outside her wheelhouse. It’s a true crime podcast that examines crimes from the point-of-view of the people who solved them, then sends Smith and her co-host Zibby Allen to cover around the country looking into these crimes. It’s an engaging and thoughtful look at how crimes can rock tiny little towns where everybody knows everybody.

Smith joins Todd this week to talk about the national fascination with true crime, her wide-ranging slate of interests, and, yes, Lisa Simpson.

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