With the help of digital forensics, authorities are able to debunk the alibi of one of the last people to see a 24-year-old missing jogger in rural Arkansas, making him the primary suspect in her murder. First time interviews with the victim's family.

When two teenage classmates in Northern California go missing within weeks of each other, their mothers struggle to get police to take the situation seriously. But then unusual cell phone activity by a group of potential suspects comes to the forefront, cracking the case wide open.

Investigators trying to determine who shot and killed a young mother in Ohio are tipped off by a surprising piece of digital evidence; from there, they unravel a twisted story of stalking and social media catfishing.

Detectives in Aurora, Colorado gather crucial information about a double-homicide from neighborhood surveillance footage, but they're not able to identify and track the killer until some key digital data is uncovered.

When a 17-year-old transgender social media influencer in Vancouver, Washington, goes silent, her family and fans fear foul play. Digital data ultimately allows detectives working on the case to track the movements of their suspect on the morning of the crime.