The List Family Murders

Tina tells the story of John List, who murdered his entire family in 1971.
Promo: Dealing Justice
Sources:
Father Wants Us Dead: NJ.com by Rebecca Everett
1971 Family Killer Breaks Silence: abcnews.com by Austin Goodrich
List's Chilling Letter to Pastor: I did it for their souls: apnews.com by Daniel J. Wakin
John Emil List: murderpedia.org
I know that what has been done is Wrong: nytimes.com 
Forensic Files (medical detectives)--Season 1 episode 12--The List Murders