Lock the Door Behind You
20/20 - A podcast by ABC News
![](https://is1-ssl.mzstatic.com/image/thumb/Podcasts126/v4/53/7d/d6/537dd6b1-d341-6921-3d2a-01bc003736c0/mza_17657774522536555456.jpg/300x300bb-75.jpg)
Never-before-broadcast video gives insight into the mind of serial killer Henry Louis Wallace, who confessed to 11 murders from 1990-1994, and his only surviving victim speaks in his first interview. Learn more about your ad choices. Visit megaphone.fm/adchoices