Detectives investigate the discovery of a murder victim along the highway and the murder of a Mexican migrant worker.

One young man is dead and another young man is seen fleeing the scene. Detectives rely on eye witnesses to identify this killer, and bring him to justice. A young mother is shot dead in her vehicle. Her year old twins crying from the back of the vehicle. They leads are more mysterious than they are helpful but every single one is followed up on to catch this killer.

A thriving 28-year-old man is shot and killed. There is a cloak of silence in this case that is hard to break, detectives are determined to do it. A social worked is murdered. Can it be connected to the convicted killer that she has been reaching out to?

A home invasion has turned deadly, investigators are called to the scene of a young man found dead. With their eyes on a suspect they have to wonder if this killer is just a suburban mom or if she is a cold blooded killer. A hard working and loved grandfather is stabbed and left for dead. The detectives interview friends and family. Could this killer be closer than she appears?

Investigators lead a cross country search for the killer of a young man killed during a robbery. With nothing more than street names for their killers to go on, the set out on their manhunt.

The murder of a football player at the University of Memphis, is making top news. The young man was cut down in his prime by a killer with a gun. Did someone have a vendetta? Or was it an accident? A married couple found shot to death in their own home, has detectives jumping through hoops and over state lines. Two suspects fled the area the day after the double homicide. Can detectives find them in time?

A man lays dead outside his home, he has been gunned down. Investigators find a witness to the crime. After following leads they are surprised when their witness turns into the suspect. A silver Infinity is spotted at he scene of a carjacking gone bad that leaves one man dead. Leads are few and far between, detectives on the case must look under ever stone to find these killers.

Inside an apartment a victim lay dead from a brutal beating. With little evidence and no witnesses the lead detective must rely on the crime scene to give them a suspect. A car accident leaves a man dead, but not because of the wreck because someone pulled a gun. As a suspect comes into sight they zero in on him, and see how a accident turns to murder.

A grandfather hears a knock on his door, little does he know that a killer stands on the other side of it. The suspect flees the scene and crashes his car just down the road. Will the car be the key to identifying the killer? In a bedroom and elderly man lies dead, his killer strangled him. Is the strange man people saw knocking on doors the killer? Can detectives identify him and find him in time?

Two teenage suspects are questioned when a man is found beaten to death in a stairwell. Detectives are shocked at the boys ages and what prompted the attack. An up and coming singer is found shot in a car, it looks like a drug deal has gone bad and left the man dead. Could a troublesome past in Mexico play a role? Or is it just random evil?

A man is found dead outside in a vacant lot. Detective have no leads, no witnesses and the motive for the killing. Can the detectives track down suspects in time? Murder is always bad, but the murder of an innocent child drives detectives to work harder. When a young mother and her 10-year-old son are brutally stabbed and killed, detectives work against the clock to track killers.

Now that some of our strongest cases have been adjudicated, we can take viewers inside the powerful and dramatic events that unfolded after the arrest, up to and including the conviction.

In Dallas, two teenaged boys are shot outside a nightclub—one is critically wounded, the other is left in a coma. As Detective Eddie Ibarra puts the pieces of the case together, he is temporarily pulled away to assist in the search of woman who has been missing for six days.

Cincinnati police investigate the shooting death of a 28-year-old from Detroit; Dallas police enlist the help of the Travis County SWAT team after they get a tip that a murder suspect is headed for Mexico.

A young man lays dead behind an apartment building. Detectives run into problems with the victim's friends. Do they know more than what they are saying? Can the detectives convince them to talk before a killer gets away? A young girl is struck by a stray bullet from an AK-47. This senseless tragedy is made worse by few leads. Detectives will have to track down possible witness after witness to try to find this 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 the first of two homicides less than ten blocks away, detectives head out to the shooting of man in the middle of the day. They investigation leads to a suspect who is a friend of the victim. Then, shots ring out and a young man is gunned down by a man on a bike. When a witness comes to them, they have a hard time believing her story. Is truth really stranger than fiction?

A man, accused of being part of a robbery attempt that ended in murder, faces trial.

A 49-year-old man is stabbed 46 times and left to die; a 34-year-old man is found shot to death in a strange place.

A man is convicted of murder and sentenced to life in prison after shooting a Detroit woman in her home.

Updates on past cases. Included: an elderly man strangled to death in his bedroom in Cincinnati; and the case of a missing woman.

A mother is shot in her car while her three young children sit in the back seat; four cousins are gunned down while relaxing on their grandmother's porch.

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Miami/Harris County - Sgt. Altarr Williams and detective Frankie Sanchez investigate the murder of Darrell Harrell, gunned down for trying to push a group of drug dealers out of Overtown. Months pass without a lead as the team tries everything they can to keep the case from going cold. Meanwhile in Harris County, Texas, Sgt. Craig Clopton works the murder of Virgil Fuselier, found stabbed to death in his apartment. As Clopton begins the investigation he finds trail of clues that may trace back to the killer.

In Louisville, KY, a convenience store robbery left a 30-year-old employee in critical condition. And in Harris County TX, Deputies investigate the murder of a man gunned down trying to protect his neighbors who were being robbed.