After the first 48

When a beloved son and brother is murdered just feet from his home, his grieving family has one burning question: Why? It's up to a determined team of Gwinnett County investigators and the prosecutor to get their defiant suspect to talk.

The latest in a string of brazen robberies leaves a beloved, retired sheriff's deputy brutally gunned down, and a survivor of the assault terrified.

When two beloved brothers are gunned down in their home, their devastated mother leads Gwinnett detectives to a suspect close to home. But with no clear motive to bolster their case, prosecutors could be in trouble at trial.

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. But 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. As prosecutors prepare for the trial, key evidence goes missing.

When an unidentified woman is found dead outside a Tulsa home, detectives must sift through murky details to figure out who she is and what happened to her. What initially seems like a fatal car crash, turns into a homicide case upon further review.