The First 48

Detectives need the childhood friend of a shooting victim to tell the truth about the crime.

Tulsa homicide detectives must find a possible victim by getting her killer to lead the way.

In Tulsa, two families devastated by domestic violence look to detectives to find justice.

Tulsa Homicide tackles it's most difficult unsolved case, spanning several years.

A homeless woman and her boyfriend must choose between saving themselves and doing the right thing.

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

A college student's life takes a tragic turn after he falls under a mysterious friend's influence.

In Mobile, the homicide team takes on a missing persons case when new evidence points to foul play.

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

A professor is found killed outside his bedroom door when he doesn't show up for class.

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

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

In Tulsa, Okla., a father of three is gunned down after an argument.

In Tulsa, a vigilante seeks payback; in Mobile, a dispute over money takes a deadly turn.

A man stands up for his girlfriend and pays the price; a man is gunned down.

In Tulsa, Okla., detectives investigate the murder of a man with a troubled past.

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

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

When two young men are shot and killed in a car, Gwinnett County Homicide questions the survivors.

A father of two is gunned down when his attempt to stand up for his cousin backfires.

In New Orleans, detectives make a gruesome discovery inside a car that was set on fire.

A man claims his girlfriend shot and killed herself, but detectives believe otherwise.

A 23-year-old man is shot dead in front of his friends; a 15-year-old is found on the stairs.

A mother is stabbed and detectives search for her missing son; two victims at the same complex.