Witness to Murder: Digital Evidence

With 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 gets scrutinized.

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 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, Wash., goes silent, her family and fans fear foul play; digital data allows detectives working on the case to track the movements of their suspect on the morning of the crime.

Police in Mobile, Ala., quickly identify a suspect in the murder of a local college professor, but a bombshell piece of technology stolen from the crime scene then points them in a completely different direction.

A love triangle at the University of Florida results in the murder of a popular student; an undeniable digital trail leads straight to his murderer and helps authorities piece together the details of the crime and secure a conviction.

The family of a missing Texas mother becomes concerned when they start receiving suspicious text messages from her phone; a trail of digital clues helps investigators.

After the gruesome murder of an aspiring actor in Georgia, police quickly run out of leads; a new digital forensic tool breathes life into the investigation, allowing authorities to identify the killer with pinpoint precision.

After a young woman in South Carolina is found dead in her bathtub, the investigation focuses in on her estranged husband and her boyfriend; an unexpected digital clue has one of these persons of interest accidentally confessing to the murder.