1. 2010: Who Is Lori Ruff?

On Christmas Eve of 2010, police find Lori Ruff dead and questions begin to swirl; as the investigation unfolds, detectives discover nothing about Lori is what it seems; they work tirelessly to figure out who was this wife and mother.

2. 2011: Tennessee Stalker

One morning in 2011, a 20-year-old nursing student vanishes without a trace; panic sets in when her brother finds fresh blood outside of their house; what follows is a notorious missing person's case in Tennessee history.

3. 2012: The So-Cal Killer

At the start of 2012, southern California has been under siege for two years by a serial killer targeting the homeless; however, when police accuse one man of the murder of his mother and brother, he discovers all the murders are connected.

4. 2013: Match Made in Hell

In 2013, a 42-year-old electrical engineer responds to a Craigslist advertisement promising companionship in exchange for only $100; unfortunately for Laferrara, this decision will have deadly consequences.

5. 2014: The Deadliest Taboo

Fights over land and money divide an eastern Washington family amid allegations of incest, betrayal, and murder.

6. 2015: Broken Arrow Murders

In 2015, the identification of five family members brutally murdered in their Oklahoma home sends shockwaves through their town and nation

8. 2017: Innocent Prey

A young mother looking for love online meets the man of her dreams; after her baby goes missing on their first date, investigators find themselves in a race against time to catch an elusive predator and untangle their web of lies.

9. 2018: To Live and Die in L.A.

A 25-year-old Macedonian woman with aspirations of stardom moves to Hollywood to pursue her dreams of becoming famous; on February 23, 2018, the blonde-haired, blue-eyed bombshell leaves her apartment and vanishes, never to be seen again.

10. 2019: The Valley of Hell

The sudden disappearance of a 15-year-old high school student sends shockwaves throughout her community; investigators rush to locate the young teen before it's too late.