20/20

Season 45 Episode 23: Lock the Door Behind You

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.

Genre:

News, Documentary

Seasons:

28

Episodes:

749

Cast:

David Muir, Deborah Roberts

Quality:

HD

Duration:

81 min

First Air:

1978

Rating:

6.3