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.