Knock Knock
Knock Knock  
Podcast: 48 Hours
Published On: Sun Jan 20 2019
Description: Can a podcaster and a driven detective using cutting-edge technology solve a stone cold double murder? "48 Hours" correspondent Richard Schlesinger investigates.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.