Season 1

When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her San Jose, CA, home, the physical evidence baffles police, until they discover data from Navarra's FitBit watch to solve the brutal crime.

The tragic murder of a 14-year-old girl walking her dog in Armada, MI, leaves behind little physical evidence, forcing investigators to enter the digital world in search of virtual clues the killer has no idea they left behind.

When 26-year-old Erica Crippen Crosby disappears from her home in Mount Laurel, NJ, 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 for clues to where they might be. Discovering the girls have been talking to strange men online, it's a race against time to find them before it's too late.

The remains of Brendan Creatato, a 3-year-old boy, are found less than a kilometer from his house in Westmont, NJ. The researchers follow digital clues to help track the murderer and resolve the case.

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