This week's episode takes place in Alabama. Lisa tells us a story on the Black Widow of Alabama Audrey Marie Hilley 

Sam tells us the unsolved murder of Stacy Sullivan.

Sources 

https://www.oxygen.com/snapped/crime-news/audrey-marie-hilley-poisons-husband-daughter-escape-prison

https://murderpedia.org/female.H/h/hilley-audrey.htm

https://en.wikipedia.org/wiki/Audrey_Marie_Hilley

https://www.parkaman.com/mysterious-murder-stacy-sullivan-alabama/

https://whnt.com/news/northeast-alabama/a-scottsboro-womans-death-is-still-unsolved-a-year-later-due-to-long-wait-for-forensics-report/