Podcast:48 Hours Published On: Sun May 19 2019 Description: A popular teacher is gunned down in a quiet Pennsylvania city. Who would want her dead? Turns out, there might be a few people. "48 Hours" correspondent Erin Moriarty investigates.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.