The First 48

When three people are gunned down in a quiet neighborhood, Gwinnette County police struggle to find a connection between the victims.

In Tulsa, when a teenager is found murdered and dumped in a field, the leads run dry and detectives need your help to get justice for his family.

Old habits die hard when a young father gets out of prison and is drawn back into his old life. After he's shot dead, Tulsa homicide must sort through a web of lies to find out who killed him.

Gwinnett County detectives chase down a bullet-ridden Toyota Camry to find who may have killed a beloved young man.

In Mobile, when two beloved men from the Mobile Terrace neighborhood are gunned down, detectives need the community's help to get justice for their families.

In a crowded Mobile bar, surveillance video captures the shocking murder of a man after a game of pool.

In Tulsa, a homeless man is ambushed by two men on a dark trail, and his wife may hold the key to finding the killers.

In Tulsa, three people are executed in their ransacked home, and the woman who found them may hold the key to finding the killer.

When a hard working construction worker is brutally murdered on payday, Tulsa detectives discover he's fallen prey to a seemingly unlikely attacker.

When a 15-year-old boy is murdered after getting in over his head, detectives hope a Snapchat message can lead them to his killer.

When a love triangle turns deadly, a killer enlists an unusual murder weapon.

In Tulsa, a friendly gathering takes a fatal turn, when three people are shot and a teenager is killed. In Mobile, a plan to settle a dispute backfires when a man is gunned down at a family member's house.

In Gwinnett County, two brothers are murdered in their sleep. Detectives suspect they were betrayed by someone they knew.

When a man is found shot and dumped in the road, detectives learn how his struggle to overcome obstacles left him headed for a collision with someone on the edge.

When a young father goes out partying and ends up murdered at a club, everyone knows what happened...but no one is talking.

A fateful choice tragically ends the life of an up-and-coming rapper.

When a man is gunned down while walking his dogs in a quiet park, surveillance video leads detectives to an unlikely suspect.

In Mobile, one teenager is killed, and another's life is forever changed when a single decision turns fatal.

When a father of two is shot dead while driving, detectives must retrace his steps to figure out who killed him.

In Tulsa, a young mother is gunned down at a convenience store by a shotgun-toting assailant. In Kansas City, a local businessman is executed and Detective Jason Sutton looks to his employees for a motive.

In Mobile, a 70-year-old Vietnam vet is found beaten to death in his home where detectives discover cryptic threatening letters. In New Orleans, Detective Amy Robinson works the case of a man shot in cold blood behind a convenience store.