In Mobile, Alabama, a man who turned his life around is gunned down in cold blood. Detectives need to know if his troubled past came back to haunt him.

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.

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.

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.

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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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?

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.

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 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.

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 Detroit, a double shooting in a vacant lot leads Lieutenant John Morell and Sergeant LaNesha Jones to an unlikely suspect—a 61 year old man. And in Dallas, Detective Eddie Ibarra must unravel the complex life of a victim riddled with bullets and dumped in a downtown park.

In Memphis, Sergeant Connie Justice investigates the murder of a 32-year-old tattoo artist shot to death during a robbery. The victim’s husband, who survived the robbery, only knows the suspects’ nicknames. Armed with stencils of tattoos the customers received before the robbery, Justice must identify and track down the multiple suspects.

Gunfire rings out leaving a teenager dead, ironically during a Children's Peace Bowl for street violence. With little to go on detectives need a witness to come forward. A popular basketball coach is gunned down, detectives are left scratching their heads. Leads are few and far between, can detectives find their killer?

UPDATE: Follow this case through the justice system. We have already seen the bodies discovered and the arrests made. Now we get to see the court process and the verdicts handed down.

In Miami, Det. Frank Sanchez responds to the murder of a retired Miami Police captain, shot in broad daylight at a marina on the Miami River. When initial leads run dry, Miami PD launches a massive investigation, tracking the alleged killer all the way to New Jersey.

In Birmingham, lead Detective Mike Allison is working the murder of a man found shot in the basement stairwell of a house. Allison and his team quickly find an eyewitness and then the suspect. The case seems closed, when suddenly it unravels after the eyewitness disappears and Allison is forced to set his suspect free. A year passes, when out of the blue, the case takes a surprising turn. And in Charlotte, Lead Detective Bo McSwain and his team are trying to find the killers of a man shot behind his girlfriend's house. On scene, McSwain gets a break when four men come forward, claiming their innocence. The team believes these men are their suspects, but when they all refuse to talk, the case hits a wall. With nothing to hold them, the suspects start to leave homicide, but then McSwain makes a discovery at the crime scene, stopping one suspect in his tracks.

When a man arrested for a domestic dispute claims his boyfriend killed someone seven months earlier and buried the body in the basement, Louisville Detectives Jon Lesher and Collin King are launched into one of the strangest cases of their career. Detectives are initially skeptical of the man's claim, but after hours of digging in a hot, humid basement, they discover the truth: buried five feet below the dirt floor is a large plastic storage box containing human remains. Detectives must now determine if the man accused of the murder is a cold-blooded killer, or if a vindictive lover is out to frame him. And in Charlotte, a 55-year-old father of three is stabbed to death and left for dead in the middle of a residential street. Det. Susan Sarvis and the homicide team initiate a citywide hunt for the last man seen with the victim to find out if he is a witness or if he's responsible for the homicide.