In Dallas, a young man is shot dead in his living room. It appears to be a burglary, until Det. Brian Tabor uncovers a more treacherous motive.

In Dallas, a child's birthday party turns deadly. The investigation becomes even more urgent when Detective Leo Gonzalez discovers the killer may be on the way to Mexico.

In Harris County, a hardworking father stops off for a drink after work and ends up the victim of a robbery gone bad.

In DeKalb County, lead detective Chris Franklin investigates the murder of an 18-year-old male, gunned down in an apartment complex. The case takes a turn when Franklin learns the killer's intended target was actually the victim's friend.

In Dallas, Detective Dale Lundberg investigates the murder of a woman found bludgeoned to death in her apartment. The victim's missing car could provide the clue that could lead detectives to the killer.

In Harris County, Texas, a man is stabbed at a strip mall in the middle of the night. Sgt. Craig Clopton finds surveillance video of the murder, but it leaves him with more questions than answers.

When an Atlanta father of two is gunned down with an AK-47, rookie detective Scott Berhalter must sift through lies and alibis to get his killers off the street.

Detective Rob Barrere investigates when three men meet in a motel room in New Orleans east, and one of them ends up dead; while in Tulsa, Detective Ronnie Leatherman catches the case of a man stabbed 21 times.

In this episode of The First 48, in Atlanta, a caretaker is gunned down over a grudge. And in Tulsa, a young man loses his life when a bully goes too far.

When a young man is shot to death at a motel party, Tulsa Detective Justin Ritter discovers a photo posted on Facebook may have triggered a dangerous chain of events.

In New Orleans, a man is executed in broad daylight, and Detective Ryan Vaught must battle fear and distrust on the street to identify the killer.

In Tulsa, an innocent mother is viciously murdered with a butcher knife. While in Atlanta, a beloved patriarch is gunned down when a game of dominoes turns deadly.

Detective Rob Barrere investigates when three men meet in a motel room in New Orleans east, and one of them ends up dead; while in Tulsa, Detective Ronnie Leatherman catches the case of a man stabbed 21 times.

In this episode of The First 48, in Atlanta, a caretaker is gunned down over a grudge. And in Tulsa, a young man loses his life when a bully goes too far.

In Tulsa, a young mother of four is found shot on the side of the road. Detectives' only clue is a photograph she took just moments before her murder.

When a young man is shot to death at a motel party, Tulsa Detective Justin Ritter discovers a photo posted on Facebook may have triggered a dangerous chain of events.

When a young mother is found naked and strangled in her car, Tulsa Detective John Brown uncovers a dark obsession that may have turned deadly leading to the incident.

In New Orleans, a man is executed in broad daylight, and Detective Ryan Vaught must battle fear and distrust on the street to identify the killer.

In Tulsa, a lethal combination of guns and meth leaves a young man dead. Five potential witnesses tell fragmented stories which Detective Justin Ritter must piece together to reveal the real killer.

In New Orleans, a double-shooting on Bourbon Street has the city on edge. And in Tulsa, a man killed by a shotgun blast may have been lured into a trap.

In Tulsa, an innocent mother is viciously murdered with a butcher knife. While in Atlanta, a beloved patriarch is gunned down when a game of dominoes turns deadly.

In Tulsa, a young mother of four is found shot on the side of the road. Detectives' only clue is a photograph she took just moments before her murder.

When a former Marine is gunned down trying to recover his stolen bicycle, Tulsa Detective Matt Frazier goes on the hunt for an elusive criminal family.

When a young mother is found naked and strangled in her car, Tulsa Detective John Brown uncovers a dark obsession that may have turned deadly leading to the incident.