Podcast:48 Hours Published On: Sun Apr 21 2019 Description: When a man goes missing, his friends turn to social media to track his final hours. What they learn is horrific. "48 Hours" correspondent Erin Moriarty investigates. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices