The First 48

In Louisville, a community is outraged when a married couple is gunned down at home in front of their two young children. Det. Kevin Trees and the homicide team hit the streets hoping the community's strong reaction to the killing will trump the neighborhood's long-standing code of silence.

When dismembered body parts are found floating in Miami's Biscayne Bay, Det. Orlando Silva and the Miami homicide team work around the clock to solve one of the most brutal murders South Florida has ever seen.

In Harris County, Sgt. Roger Wedgeworth investigates the gruesome murder of a homeless man found stabbed to death along Interstate 45. Without any witnesses or a motive, investigators race to find a suspect before the case goes cold. And in Louisville, Det. Scott Russ heads to a troubled housing project to investigate the murder of a young man - the prime suspect in a current double homicide.

In Birmingham, Detective Chris Anderson returns to his childhood neighborhood to investigate the murder of a man killed over ten pounds of marijuana.

In Miami, Det. Rolando Garcia is investigating the shooting death of a local homeless man, known for looking after his fellow transient friends. As the case begins to unravel and witnesses give up information, Garcia learns that the victim's commendable behavior may have instigated his death. And in Louisville, after a minor injury, a woman makes a routine call to 911.

In Louisville, Det. Corey Cadwell and his team investigate the murder of a 28-year-old father stabbed to death while working his shift in a smoke shop.

In Harris County, Deputy Jason Brown is called out on Easter Sunday to investigate the brutal shooting of a woman who was a school bus driver and mother of two. Meanwhile, Harris County Sergeant Sidney Miller takes on the murder of a young father, shot dead in a courtyard.

In Louisville, a murder hits close to home when Detective Rick Arnold learns that the victim of his most recent homicide case is the brother of a good friend. If Arnold is to track down the suspect, he needs to discern between lies and truth - and real names and aliases. In Harris County, a popular teenager is gunned down on a residential street.

In Louisville, Det. Carl Payne and the homicide team investigate the murder of a young man shot to death in the middle of the street in broad daylight.

In Louisville, a sleeping family awakens to a barrage of bullets from a machine gun, leaving two young boys injured and a teenager dead.

In Harris County, Sgt. Craig Clopton and his team investigate the murder of man killed by a single gunshot while being robbed. With little evidence on the scene, they must rely on an eyewitness to help them identify their suspects. And in Birmingham, Det. John Tanks and the homicide unit work the murder of a mother of two, shot in the back outside of her car.

In Cincinnati, Detectives Matt Thompson and Doug Lindle are investigating the double homicide of a local hairdresser and his elderly neighbor, both stabbed to death and set on fire. When detectives discover that one of the victim's cars is missing, they begin following a twisted trail of clues they hope will lead to the killer.

In Birmingham Det. Cynthia Morrow and the homicide team try to weave together the events of drug deal gone bad when two brothers from out of town get more than they bargained for. In Louisville Det. Kristen Downs leads the investigation of a possible gang-related shooting. But when no one is willing to talk, the team is forced to turn to forensic evidence to piece together the murder.

In Birmingham, Det. Eric Torrence investigates the death of a 24-year-old father-of-two shot in the street.

When a twenty-nine-year-old man and his paralyzed mother are shot to death in their apartment, Louisville detective Kyle Willett is called to the west side of town to lead the case. As the investigation unfolds, Willett and his team are shocked to learn what initiated the double homicide - a schoolyard fight between two teenaged classmates.

In Birmingham, Detectives Mike Allison and Cynthia Morrow investigate the tragic case of a mother shot in her car while her three young children sat in the back seat. As detectives close in on a suspect, they are stunned to learn what triggered the shooting. And in Louisville, Det. William Brown is on the hunt for the men who gunned down four cousins hanging out on their grandmother's porch.

In Miami, Detective Anthony Reyes and the homicide team are investigating the murder of a middle-aged mother of four, shot to death in a random robbery outside a public storage facility. With no witnesses to the actual shooting, detectives must rely on surveillance footage, which could be the key to solving their case.

When a 16-year-old boy is murdered at his family's roadside taco stand, Harris County investigator Sergeant Henry Palacios is faced with one of the most tragic cases he has ever seen. Palacios is hot on the trail of his suspect, when another shooting turns the case on its head. And in Birmingham, Detective Marcel Walker investigates the death of a 29-year-old car mechanic.

In Miami 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.

In Louisville Kentucky, rookie detective Holly Rogers is called to the scene of a convenience store robbery that left a 30-year-old employee in critical condition. With strong photographic evidence from security cameras and a trail of physical evidence to follow, Rogers and her team race against the clock to identify and apprehend the shooter.