When a hero firefighter is found savagely murdered in his own home, the trail of evidence leads police on a twisting and tension-filled journey to justice.

A young girl is kidnapped from her bed in the middle of the night; later, she is found dead in a nearby canal, marking the beginning of one of Salt Lake City's most notorious child murder investigations.

After a 4-year-old girl finds her mother's lifeless body, police must try to unravel a puzzling mystery; during the murder investigation, they must rule out multiple suspects before arriving at the unlikely killer.

After two sisters are found murdered, police find evidence painting a grim picture of the heartbreaking double homicide.

A 16-year-old girl disappears on her way to visit friends; as police retrace her last known movements, they uncover evidence she may have been kidnapped by an international human trafficking ring.

Police investigate a residential house fire and discover it was intentionally set to cover up a savage murder; they hunt for evidence that may have survived the fire.

When a loving mother is found gunned down just steps from her front door, police in her small town are baffled; as the investigation unfolds their initial confusion will quickly boil over into outrage.

A teenage couple out on a date are ambushed by a gun-wielding madman; the lone survivor's heartbreaking account may hold the key to bringing a cold-blooded killer to justice.

A woman and her teenage daughter are savagely murdered in their own home; police find clues at the crime scene, including a bloody bare footprint and an unharmed 3-year-old girl with a heartbreaking story.

When a young woman is found shot to death in her home, police are baffled; then a cryptic letter from a mysterious source sends the investigation down a twisting road to the truth.