Dallas homicide detectives discover nearly $1 million in the home of a man who was shot on his front porch; two violent suspects are tracked.

Tulsa Ok. Detective Jason White continues to investigate Courtney Palmers disappearance. The missing persons case turns into a detective's worst nightmare

Cleveland homicide detectives follow a bizarre trail of evidence in the case of a father of five who was stabbed over 50 times.

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.

A retired pre-school teacher is killed and detectives rely on a witness to crack the case.

In Miami, Detectives Emiliano Tamayo and Ervens Ford find a young woman shot dead in a convenience store. The store's surveillance footage reveals she may have been an innocent victim. Another man was the target. They need to find him before it's too late. Across town, fellow Miami Detectives Fernando Bosch and Rick Martinez are investigating the murder of a man shot dead on the street in the middle of the day. The victim's girlfriend was there and may know the identity of the killer.

Detectives are called to the scene at an apartment, blood covers the apartment. There is no possible way the victim survived this brutal attack. No body is found at the scene and detectives start the search for the killer...and their victim.

In Birmingham, a 49-year-old man is beaten and shot in the middle of a housing complex in broad daylight. In a community where no one wants to be seen as "snitching," finding someone to come forward with information will be Detective Chris Anderson's biggest challenge. Then, 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 Miami, a young father is gunned down after a night of gambling. Detective Emiliano Tamayo has to figure out who would have killed him over twenty dollars. Then 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.

New Orleans Detective Ryan Vaught takes on his most challenging case yet when a young married couple goes missing and one of them is found floating in a river, drowned to death.

Detective Ronnie Leatherman returns to Tulsa homicide to investigate the death of a man who crashed his car in a shopping center.

In Mobile, Alabama, a 68-year-old woman goes missing after checking into a casino where she had lost millions.

When an innocent bystander protecting a young woman is gunned down, detectives scramble to learn who fired the fatal shots before anyone else gets hurt.

A young mother and her best friend gunned down in broad daylight sets off a chain of events that Tulsa Homicide never could have imagined.

Two brothers are suspects in the murder of 30-year-old man, in what looks like a robbery gone wrong. Detectives try to get the brothers to turn on each other to see who the killer is. A man is found gunned down in a local parking lot. The clues are few and far between. Detectives get the break they need when the run across surveillance footage.

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Dallas detectives hope that video footage can identify the person who murdered a young father; a Cleveland mother of six is shot and killed on her birthday.

In Cleveland, after a man is found dead in his car, the autopsy reveals he was strangled to death. Detectives Nate Sowa and Ray Diaz take the case and uncover a relationship that could lead them to their killer. But with Sowa's retirement right around the corner, can he solve the murder before the case goes cold?

On a rain-soaked Memphis morning, Sgts. Tony Mullins and Mitch Oliver respond to a drive-by shooting, and learn that the victim is an innocent bystander. The man who says he was the intended target lead Mullins and Oliver on a manhunt for two brothers alleged to be the driver and the shooter. And in Dallas, when a man is shot to death in a van, Det. Dale Lundberg must untangle a web of conflicting stories about the man's identity to try to find his killer.

A Memphis motel turns into a war zone when a gunfight leaves two men dead and another critically injured. Sgt. WD Merritt and the homicide team spring into action to find their shooter. In Kansas City, homicide Det. Everett Babcock leads the investigation into the shooting death of a two-year-old baby. To Babcock's surprise, an eight-year-old witness leads police on a nationwide manhunt.

A man is gunned down in front of his wife and children. Detectives look for clues to determine if the murder has a deeper meaning or if it was a robbery gone wrong. A young man is killed in the middle of the day in the prime of his life, in a hail of gunfire. In order to track this killer the surviving victim must be located to get details of the shootout and why it happened.

A fight between two teenagers leads to the murder of a 29-year-old man and his paralyzed mother.

In Miami, the Homicide Unit responds to a scene to find the 911 caller covered in blood and a 35-year-old woman brutally stabbed. And in DeKalb County, Det. Joe Renaud and his team are working the shooting murder of a 22-year-old man.

Mike Smith and Walley Everett investigate the murder of a 23-year-old mother found burned in the backyard of an abandoned house.

In New Orleans, when a woman is slashed to death, the investigation into her murder leads Detectives Chuck Ward and Rob Barrere to a house of horrors, and they discover the killer may be someone they least expected.