After the First 48

A beloved mother is found stabbed to death in a vacant lot and, when New Orleans detectives investigate the case, their only suspect seems an unlikely killer.

After a beloved teacher is gunned down in broad daylight, Gwinnett detectives must track down the suspects, with only their getaway car's description. In the pursuit of justice, the prosecution must overcome the threat of a mistrial.

After a barrage of gunfire leaves three men dead in a residential neighborhood, Gwinnett detectives use every available resource to identify the killer; at trial, the defendant claims he acted in self-defense.

In Tulsa, two men are murdered in a parking lot, but a gun from another shooting incident leads detectives to their suspect.