Podcast:48 Hours Published On: Sun Dec 08 2019 Description: A former TV producer and windsurfing champion says he’s in prison for a murder he didn’t commit -- the only physical evidence against him: a teaspoon of sand. "48 Hours" correspondent Erin Moriarty reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.