The First 48

In St. Louis, a man is shot in his apartment with only his girlfriend with him, but she claims she had nothing to do with it. In Tulsa, detectives need a childhood friend of the victim to tell the truth about a shooting.

In Tulsa, two families devastated by domestic violence look to detectives to find justice for their loved ones.

Tulsa Homicide tackles its most difficult unsolved case, spanning multiple suspects and several years.

In Tulsa, a homeless woman and her boyfriend are taken in by a friend, but when he ends up dead, they have to choose between saving themselves or doing the right thing.

When a father of three is gunned down after confronting a hit-and-run driver in Mobile, AL, detectives struggle to find clues that will lead them to his killer.

A young man is shot down while walking home and rumors swirl about who could have wanted him dead.

In Atlanta, the life of a promising young college student takes a tragic turn when he falls under the spell of a mysterious friend. Detective Darrin Smith races to find the killer before he strikes again.

In Mobile, AL, the homicide team takes on a missing person's case when new evidence points to foul play.

A father of four is gunned down while defending his girlfriend during a brutal home invasion.

In Mobile, AL, a professor of economics is found shot dead outside his bedroom door when he doesn't show up for class.

In Mobile, AL, Detective Jermaine Rogers hunts for multiple perpetrators of a home invasion that left two dead.

In Alabama, Mobile Homicide tracks a killer who shot a man in his home, but they learn not everything is what it seems.

In Tulsa, a quadruple shooting leaves two people dead as a vigilante seeks payback for his house being targeted in a drive-by shooting. In Mobile, AL, a man is shot in front of his fiancée as a dispute over money takes a deadly turn.

In East Tulsa, a young man stands up for his girlfriend and pays the ultimate price. Then, a West Tulsa man is gunned down in front of his girlfriend when someone from her past goes over the edge.

In Tulsa, when detectives investigate the murder of a man with a troubled past, they uncover a sinister plot.

In Tulsa, a woman is found dumped in a hospital parking lot after someone she trusts crosses the line. Then, in Mobile, AL, a jealous rage leaves a father of nine dead and threatens to tear his family apart.

In Tulsa, a mother of five is killed after a roadside argument spins out of control. In Mobile, AL, a security guard tries to keep the peace and ends up brutally murdered.

Tulsa detectives investigate the Neighborhood Crips to solve the murder of a young man trying to leave the gang.

When two young men are shot and killed in a car, Gwinnett County Homicide must turn to the survivors to learn the truth about what led to the shooting.

In Tulsa, a father of two is gunned down in broad daylight when an attempt to stand up for his cousin backfires. When an unidentified woman found shot and burned resembles a suspect in a recent home invasion, New Orleans detectives suspect a connection.

In New Orleans, a car is set on fire in a desolate area. Inside, detectives make a gruesome discovery. Det. Ryan Vaught hopes the last person who spoke to the victim can lead him to the killer.

In Tulsa, after a man calls 911 claiming his girlfriend shot and killed herself, detectives discover evidence suggesting foul play.

In Atlanta, a 23-year-old man is shot dead in front of his friends after a bad deal. When a 15-year-old high school student is found on the stairs of an apartment filled with kids, witnesses need to tell the truth so Tulsa Homicide can get the shooter.

A mother is stabbed to death, and Georgia detectives must find her son who might be the only witness. Tulsa detectives need to find out if there is a link between the murders of a pregnant woman and a young man shot at the same apartment complex.