In 1979, bar manager Harriet Simmons disappears during a trip to Nashville.

A single mother is discovered murdered behind a church.

Robert Hansen hunted down women for sport in the Alaskan wilderness.

A man eliminates witnesses before blowing up the Alaskan Pipeline.

A missing couple is found murdered in the backwoods of Chulitna, Alaska.

A girl is lured into a mall by an unknown man and is never seen again.

Amy's killer remains at large as a cavalcade of suspects emerges.

Amy's killer remains on the loose, and the case goes nationwide.

Fear overtakes a tiny Maine town when a couple is murdered in their home.

A family of five is found beaten to death in their Illinois home.

An 18-year-old disappears after her work shift in Boggstown, IN.

Connie Hilton and husband George Newman leave Dallas and move to a peaceful enclave in rural East Texas, where life is seemingly perfect. Until one early September morning, when a crime abruptly shatters their easy-living, country utopia forever.

College student and aspiring teacher Tammy Crowe has an enviable life, including a loving family, a devoted boyfriend, and a promising future. But on her way to a friend's dinner party, Tammy's life takes a devastating and violent turn.

15-year-old Jasmine Block mysteriously vanishes into thin air, and her mother Sarah launches a desperate crusade to find her. When the sickening truth behind Jasmine's disappearance finally surfaces, Sarah's life will never be the same.

Masked intruders turn a mother and son's world upside down.

A couple's faith is tested when three masked men invade their home.