In Tulsa, Detectives suspect a random roadside encounter when they find an unidentified cyclist gunned down in the middle of an intersection outside the airport.

When a father of three is executed on his front porch, Gwinnett County Homicide discovers that those closest to him are hiding a dark secret.

When an innocent bystander protecting a young woman is gunned down, Tulsa detectives scramble to learn who fired the fatal shots before anyone else gets hurt.

A beautiful teenager found naked and shot to death in an Atlanta park. With no evidence to work with, rookie detective Andre Lowe struggles to unravel the mystery.

In Mobile, a street fight escalates to a shooting that leaves a man dead on his front yard. In Tulsa, a drive-by shooting stemming from a gang feud claims the life of a 16-year-old girl, while her boyfriend clings to life.

In Mobile, the murder of a 19-year old becomes personal when the team learns he is Det. Jermaine Rogers' cousin. In Tulsa, a 31-year old mother is gunned down in front of her home by an unlikely suspect.

In Atlanta, a stranger guns down a new father in a parking lot. In Gwinnett County, a man is stabbed more than 20 times when someone he trusts turns against him.

In Tulsa, a young man goes missing, and in order to find him detectives must crack a family's code of silence.

In Atlanta, a woman is found dead in a garbage can, and a young man is ambushed by neighborhood bullies.

In Atlanta, after his mother reports him missing, a man is found dead, naked and shot twice in his bedroom.

In Mobile, a 68-year-old woman goes missing after checking into a casino where she had lost millions.

In Gwinnett County, a teenager is gunned down outside a nightclub when he winds up at the center of a gang feud.

When a young man is found executed in the street and a second victim is shot nearby, Tulsa detectives scramble to track down the dangerous gunman before he kills again.

In Tulsa, a barrage of gunfire kills a man while he's sitting in his car, with his two-year-old daughter in the backseat. In Atlanta, an elderly man is burned alive in a building fire.

In Mobile, a man who turned his life around is gunned down in cold blood. Detectives need to know if his troubled past came back to haunt him.

When a potential spree killer targets Tulsa's most vulnerable, Detective Max Ryden must stop the murderer before he kills again.