When a coworker finds 67-year-old Karen Navarra dead in a bloody scene at her San Jose, California, home, the seemingly contradictory physical evidence baffles police. They must turn to digital evidence to solve this mysterious case.

The tragic murder of a 14-year-old girl who was walking her dog in Armada, leaves behind little physical evidence, forcing investigators to enter the digital world in search of virtual clues the killer might have left behind.

When 26-year-old Erica Crippen Crosby disappears from her home in Mount Laurel, New Jersey, detectives must follow a digital trail to uncover the horrifying truth about what happened to her.

When two 13-year-old girls go missing, detectives immediately turn to their digital devices, discovering the girls have been talking to strange men online.

The remains of three-year-old, Brendan Creato are found less than a mile from his home in Westmont, New Jersey. Investigators use digital clues to help in track the killer and solve the murder.

When 21-year-old Julie Ann Gonzalez goes missing out of the blue, the detectives from Austin, Texas, try to map a digital trail of clues that lead to a terrifying truth about her sudden disappearance.