During an icy Wisconsin winter, a single mom vanishes. Police learn she was recently stalked by two men at a bar, but the danger doesn't stop there. A brutal assault, an anonymous email and a bizarre confession shed light on a deadly encounter.

A pedestrian check turns deadly when a cop is gunned down on an icy midnight patrol. The stakes are higher than ever as detectives hunt down the person responsible. But a chilling twist and a brush with death turns the investigation on its head.

North of Anchorage is the backwoods brush of Chulitna - a wild country and sportsman's paradise - the perfect spot for whitewater rafting, panning for gold, fishing - and murder. When a vacationing couple fails to return to work after the holiday weekend, state troopers discover they are the victims of cold-blooded murder. Authorities suspect Paul Stavenjord, a mountain man with a colorful past, but Stavenjord goes on the run, sending troopers on an intense manhunt in the dense Alaskan brush.

When a beautiful home health care worker disappears during an icy New York night, loved ones lead the search for her safe return. But a series of incoming text messages and a mysterious missed call reveal a soul-crushing truth and a murder most evil.

Angered over perceived mistreatment by his family, a young man carries out a vicious and bloody attack, hacking his own father to pieces with a machete. Police then scramble to catch up with him as he takes off on a deadly shooting spree in Anchorage, Alaska - leaving behind a trail of carnage and an entire community in fear of when and where the crazed gunman will strike next.

The Alaskan Pipeline creates an influx of money and people through Alaska, but there are those concerned with the ravaging of this great state's natural resources. One of those people is Louis Hastings - an environmentalist from California. Determined to stop the pipeline, Hastings devises a plan to blow it up, but first he must eliminate all possible witnesses. In the small town of McCarthy, Hastings stalks his victims one by one, determined to carry out his murderous plan.

The abduction and murder of an 11-year-old girl in an isolated Alaskan village leaves locals fearing they're being preyed on by an evil outsider until investigators reveal something far more sinister and closer to home.

Baffled by the animal instincts of a cross country killer whose crimes seem to go dormant in winter, authorities ultimately follow his tracks to a den of deceit in the frozen tundra of Alaska.

During chilling winter nights in Idaho, a madman is on the prowl... attacking citizens in a crime spree that stuns families and terrifies whole communities. Investigators must race against time to catch a killer... who kills for the thrill of it.

After a night at karaoke, a pretty nurse vanishes into the frigid Wisconsin winter. Security footage reveals the woman left with a mystery man in a dark jacket. What detectives uncover is the coldest of crimes and a monstrous end to a beautiful life.

On a cold Virginia night a pretty and popular teenage girl vanishes. Her abandoned car is found in the parking lot where she works... but there's no sign of her. As snow blankets the region, worry grows, leaving everyone to wonder: where's Tara Munsey?

On a wintry December evening, a 29-year-old supermom doesn't return home after her meeting. Is she going to miss her daughter's first Christmas? Her family is devastated when the devoted mother is found frozen solid and dumped in the snow.

After a house fire lights up a Wisconsin night, firefighters find the bodies of a woman and two kids, with evidence they'd been bound before the blaze. Police learn the victim's infant son is missing and must scramble to find the deadly kidnappers.

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

Gunshots rip through the icy Idaho air, leaving a young woman gunned down in her doorway. Left behind: shell casings and a trail of footprints in the snow. Police must piece together the clues to catch the shooter in this coldest of crimes.

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.

A married, father-of-three wakes up to every parent's worst nightmare-his youngest child dead, his daughter missing, and his son barely clinging to life. Will investigators be able to find the cold-hearted monster that brutally attacked this family?

Colorado authorities quickly hone in on a suspect after finding a name tag in a bloody sweatshirt near the scene of a young girl's murder - but are later stunned when DNA reveals they've got the wrong man.

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.

The most violent night in the history of Anchorage, Alaska leaves seven dead - including four teens. And, the small police department is virtually overwhelmed by the string of shootings until clues lead them to the unlikeliest of suspects.

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.

Colorado police in hot pursuit of a serial killer are horrified when the pre-recorded message of a pager found in the snow near a victim's abandoned vehicle reveals an unthinkable predator: one sworn to protect and serve.