Season 5

On a chilly winter morning in St. Louis, an 11-year-old girl vanishes. Days later, her body is found along an icy river bank. She’s been brutally murdered. It’s a race against time for investigators who fear the elusive killer will strike again.

The brutal murder of an 18-year-old mother in Wisconsin is investigated.

A brutal murder shatters an idyllic Idaho town, but a suspect's bizarre confession seems to point to a quick resolution. All is not as it appears, however.

The police search for a child after discovering a woman's body in a burning car as well as an abandoned car seat.

The disappearance of a 30-year-old woman during a frigid winter hovers in St. Paul, Minn., leads to a three-month investigation that culminates with a heartbreaking revelation.

On a frigid fall evening, a hunter in Missouri is found shot to death. Freak hunting accident or cold and calculating homicide? As the mysterious case unfolds, police uncover a web of infidelity and lies, leading to the least likely of suspects.

On an icy January morning in Connecticut, a murdered woman is found dumped in the snow. Police fear she is the victim of a serial predator. When the case goes cold, an intrepid reporter makes a daring move to help stop a killer in his tracks.

An entire family vanishes in the dead of winter from Nebraska. Have they suddenly decided to skip town, or has something far worse happened? A daughter's relentless search helps cops uncover a sinister and deadly plot fueled by revenge and greed.