Witness to Murder: Digital Evidence

Authorities are able to debunk the alibi of one of the last people to see a missing jogger.

The mothers of two missing teenagers struggle to get police to take the situation seriously.

Investigators trying to determine who killed a young mother are tipped off by digital evidence.

Detectives gather crucial information about a double homicide from surveillance footage.

When a transgender social media influencer goes silent, her family and fans fear foul play.

Police in Mobile, Ala., quickly identify a suspect in the murder of a local college professor.