The First 48

In Miami, after a celebrating his 46th birthday with family, a man is found dead on a residential sidewalk.

In Birmingham, Det. Chris Anderson works to unravel the mystery of a motorcycle club president shot in the head after being run off the road. And Louisville Det. Corey Cadwell races against the clock to catch the killer.

In Birmingham, Detective Chris Anderson and the homicide team investigate the brutal murder of a young woman shot to death in a park in the middle of the day. Detectives must first discover the identity of the victim.

When a 21-year-old father is gunned down in a parking lot in broad daylight, Louisville Det. Keith Roberts begins investigating one of the most brazen murders he has ever seen.

In Louisville, rookie detective Kristen Downs is trying to untangle a love triangle that turned deadly. And in Dallas, lead detective Scott Sayers and his team must piece together what happened inside a car that left the driver dead.

In Louisville, a 33-year-old woman collapses in the street after being stabbed multiple times. When detectives arrive at the crime scene there's a startling discovery-they're familiar with the victim.

In Birmingham, Det. Marcel Walker works to unravel the mystery of a 28-year-old man shot in his home. After calling 911 from inside the victim's home, a woman suspiciously flees the scene.