Episodes
1. Pure Evil
September 9, 2012
The 1995 death of a Chicago woman whose body was found on a Wisconsin highway is detailed in the Season 4 premiere.
2. The Perfect Suspect
September 16, 2012
In Arkansas, three women are murdered over the course of three years.
3. Wolf in Sheep's Clothing
September 23, 2012
The 1995 murder of an 8-year-old girl sparks a manhunt for her killer.
4. Blood Trail
September 30, 2012
The 1999 slaying of a young woman in Germantown, Wis., is recalled.
5. Mother's Day Murders
October 7, 2012
The 1985 murders of a young military wife and two of her daughters are investigated.
6. Gruesome Discovery
October 14, 2012
Recalling the 1994 murder case of a young mother who was beaten and left in a garbage bin.
7. A Bike Ride to Murder
October 21, 2012
The 1991 murder of a young girl in San Diego is investigated.
8. Murder on the Menu
October 28, 2012
The 2004 murder and dismemberment of a chef is investigated.
9. Triple Threat
November 11, 2012
The 1993 strangling death of a young mother in California is probed.
Guest Stars:
Noah Staggs
10. City Under Siege
November 18, 2012
A look at the 2006 shooting death of a young nightclub worker in Scottsdale, Ariz.
11. Killings in Kentucky
November 25, 2012
A 1993 triple homicide results in the deaths of a Kentucky veterinarian and his family.
12. No Mercy
December 2, 2012
The 2001 strangling death of a mother of triplets in Puyallup, Wash., is investigated.
Guest Stars:
Jordan Lee
