The First 48

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.

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

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

Mobile Homicide track 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, a man is shot in front of his fianc e as a dispute over money takes a deadly turn.

In KCK, when a dead body is discovered in a bridge, catching the killer depends on finding the crime scene. In Atlanta, surveillance footage shows a man carrying a box moments before he is shot.

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 mother of five is killed after a roadside argument spins out of control. In Mobile, 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.

A father of two is gunned down in broad daylight when an attempt to stand up for his cousin backfires. An unidentified woman found shot and burned resembles a suspect in a recent home invasion.

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. In Tulsa, a 15-year-old high school student is found on the stairs of an apartment filled with kids.

A mother is stabbed to death and Gwinnett detectives must find her missing 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.

In Tulsa, when a late night shootout leaves a young man dead, the investigation leads to a woman from his past. When a Marine veteran is shot, detectives must determine if a claim of self-defense is a cover for the truth.