A wealthy couple is brutally murdered in their home in the hills of Las Cruces, New Mexico. The police suspect a business partner, but he has an alibi

A student is found beaten and suffocated in a ditch outside Albuquerque. The investigators track down a mysterious couple who were last seen with the victim.

The Ortiz family is brutally murdered in their home outside Santa Fe. The police believe that only someone who holds a personal grudge is capable of such a horrific act.

In New Mexico, a woman covered in blood leads the police to a trailer in the middle of the desert. There they find weapons, torture devices and videos full of shocking scenes.

A couple is found dead in a remote town in Alaska. The police first look for campers and railway workers in the vicinity, before suspicion falls on a local artisan.

Seven people mysteriously disappear in a remote village in Alaska, hours from the nearest road or town. The authorities are looking everywhere for clues and find only the traces of a bloody struggle.

In the fall of 2003, 21-year-old Bethany Correira moved from central Alaska to college in Anchorage. But only a few days after her move, the student disappears without a trace.

When 18-year-old Bonnie Craig is found dead in a stream, authorities believe it was a hiking accident. But her mother, a former police officer, disagrees.