The First 48

An Atlanta woman is found naked and strangled to death in an abandoned house; the investigation into the crime reveals more disturbing facts.

In New Orleans (LA), detectives try to solve a shooting on a busy street that leaves one young woman dead and eight others injured, but they encounter reluctant witnesses who may have something to hide.

A detective in Atlanta (GA) investigating a cold-blooded murder learns that another recent shooting victim may be related to his case. Are these two incidents related or is he working his first serial killer case?

When a young woman is executed on a street corner in Tulsa, investigator Nathan Schilling discovers her friends may be hiding information about the murder.

In Atlanta, Georgia U.S.A. a young father is gunned down by a brutal robbing crew and Detective Tracy Lewis discovers on her first case that she may be chasing the wrong suspect.

A violent attack in a Tulsa, Okla., barbershop leaves an employee dead and numerous people wounded; the hunt begins for a killer with an AK-47 assault rifle.

A welder vanishes and detectives suspect foul play as they investigate his surrounding life.

Police must wade through a web of secrets and lies when a man is found dead in his Tulsa, Okla., hotel room.

New Orleans police search for the killer of a hip-hop promoter; a night of drinking turns deadly at a Tulsa, Okla., senior center apartment.

A New Orleans woman is found stabbed to death and stuffed in a trash bin the day before Thanksgiving; an Atlanta man's friend and girlfriend become suspects in the case of his fatal stabbing.

A man is shot to death while visiting his son in Tulsa, Okla.; a home invasion in Atlanta that killed a teenager and wounded two others may have been a contract killing.

A Tennessee family is attacked by a vicious home intruder; a rookie detective and his veteran partner probe the case of a severed head found in the Florida Everglades.

Veteran homicide Lt. Rick Zimmerman recalls the case of a woman and two young boys who were tortured before being brutally murdered.

A young New Orleans mother is found shot and burned in the trunk of her car following a night out on the town.

The case of a young New Orleans mother who was ambushed at home and shot hinges on the eyewitness account of a 4-year-old girl.

A New Orleans father and his friends are ambushed while sitting in a parked car; a feud between households in an Atlanta apartment complex leads to the killing of a promising boxer.

An Atlanta man is gunned down in his home by an AK-47; the victim's wife holds a dark secret that could tear the family apart.

The target of a drive-by shooting in Tulsa, Okla., walks away from the attack, while his girlfriend is not so fortunate; police uncover a long-simmering feud as they hunt for the killer.

A Tulsa, Okla., detective hunts a family of elusive criminals after a former Marine is fatally shot while trying to recover his stolen bicycle.

A transgender woman is shot four times during an apparent robbery in New Orleans; two Atlanta men draw weapons in an underground mall.

A double killing on New Orleans' Bourbon Street leaves the city on edge; Tulsa, Okla., detectives believe that a shooting victim may have been lured into a trap.

A Tulsa, Okla., detective pieces together fragmented accounts from five potential witnesses as he investigates a crime involving a lethal combination of guns and meth.

Tulsa, Okla., police believe that a dark obsession may have turned deadly as they probe the case of a young mother found naked and strangled in her car.

A young mother in Tulsa, Okla., is found shot dead on the side of a road; a photograph taken immediately before the murder provides police with their only clue.

A killer viciously stabs a mother with a butcher knife in Tulsa, Okla.; a game of dominoes leads to gunfire, claiming the life of a beloved patriarch in Atlanta.

A New Orleans detective battles fear and distrust on the street as he works the case of a man who was executed in broad daylight; a Minneapolis man witnesses the murder of his teenage son.

After a young man gets shot to death at a motel party, Tulsa Detective Justin Ritter discovers a photo posted online that may have triggered a dangerous chain of events.

A caretaker is gunned down in Atlanta and a case of bullying goes too far in Tulsa.

A man is killed in a motel in New Orleans and a man is stabbed 21 times in Tulsa following a night of drinking.

Detective Summer Benton follows a string of crimes as she probes the drive-by shooting of an Atlanta father.

After an Atlanta father of two is gunned down with an AK-47, rookie detective Scott Berhalter must sift through lies and alibis to put his killers behind bars.

After the member of a second line club is killed, New Orleans detectives hope a matching bullet casing from a different crime scene will lead them to the shooter.

In Atlanta, a case involving two brothers shot dead in their home leaves Detective Scott DeMeester with little to go on, but then his only potential suspect suddenly wants to talk.

Searching for answers about a young man shot dead at a construction site with no witnesses and no cameras on the scene, the lead detective takes to the streets.

An Atlanta police detective must rely on the public for help after an aspiring boxer becomes the target of a random killing.