True Crime Vault: Lock the Door Behind You - 20/20

Q: How long is this episode of 20/20?

This episode is 1 hour and 23 minutes long.

Q: When was this 20/20 episode published?

This episode was published on March 17, 2026.

Q: Can I download this 20/20 episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.

What this episode covers

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. (OAD 5/13/22) Learn more about your ad choices. Visit podcastchoices.com/adchoices

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