Theresa Still

When Theresa Still is reported missing in 2009, the town of Altoona, Wisconsin, Theresa's friends and family, reporters, and police combine their efforts to find out just what happened to their neighbor.

Hannah Graham

Charlottesville, Virginia is chilled to its core after University of Virginia student Hannah Graham goes missing one night in September. While searching for Hannah, investigators are led to an incredible discovery.

Brenizer Family

When a family of five goes missing and is later found incinerated in rural Cushing, Wisconsin, the community rallies behind 15-year-old Bruce Brenizer. With forensic help and a tip that's relative, officials make a shocking discovery.

Jessica Chambers

When first responders arrive at the scene of a car fire, they are met by 19-year-old Jessica Chambers, engulfed in flames. Fourteen months later, police believe they've finally found her killer.

Michael Roark and Tiffany York

While investigating the double homicide of a young couple, the Georgia Bureau of Investigation finds itself in the midst of a dangerous terrorist militia.

Tara Grinstead

When 30-year-old Tara Grinstead vanishes, the small town of Ocilla, Georgia, is suddenly thrust into the spotlight. After 12 years of searching, officials hope they finally have an answer to the biggest mystery in South Georgia.