The First 48

- Season 12

(2012)

In Louisville, Det. Kristen Downs responds to the killing of a man shot while answering his door. Before he died he told his fianc e who did it, but his declaration leaves more questions than answers. Then in Harris County, TX, neighbors find a teenage girl in the woods, shot dead. The case takes a turn when the trail of clues leads Dep. James Cassidy to one of the victim's friends.

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Birmingham Detective Warren Cotton investigates the murder of three family members, including a 12-year-old girl, who were stabbed to death in their home and then burned. In Miami, Detective Ricardo John and his team are working the shooting of a young man who has been a witness in several previous homicide investigations.

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 Det. Chris Anderson's biggest challenge. In DeKalb County, lead detective Chris Franklin investigates the murder of an 18-year-old male, gunned down in an apartment complex.

In Miami, lead detective TC Cepero investigates the murder of a 20-year-old male, gunned down in the middle of the street in broad daylight. With surveillance video of the suspect and possible witnesses they learn the victim may have been on the killers hit list. in DeKalb County, a 20-year-old man is shot dead while walking his girlfriend home at night.

In Miami, the homicide Unit's Team five works the murder of a hard working janitor, brutally stabbed to death in his own apartment. With no witnesses, they must rely on clues gathered at the crime seen to help then identify and track down their suspect. In Birmingham, Detective Chris Anderson investigates the murder of a man walking home after fixing a friend's car.

In Dallas, a drive-by shooting among teenage boys leaves an innocent bystander dead. In Cleveland, a young father partying with friends at a nightclub breaks up a fight and ends up murdered.

In DeKalb County, a keyboardist for a local church is gunned down in his home. Detective Lynn Shuler uncovers a web of lies that ultimately puts him on the path of the killers. Then, in Miami, rookie Detective Mario Gonzalez responds to a call about a man found shot dead in an abandoned car. Just as the case is about to run cold, a witness comes forward that shatters the case wide open.

In Dallas, a grandfather is robbed and murdered in his bedroom. Det. Scott Sayers has to figure out who would have bludgeoned him to death for a 26-inch TV. Then, Miami Det. Fignole Lubin investigates a drive-by in Overtown that left an innocent young woman dead. Police find a car riddled with bullets, but was its driver the shooter or another victim?

In Dallas, Detective Brian Tabor investigates the brutal stabbing of a man found in a vacant apartment. Now, detectives need a woman who may have lured him to his death, to come clean. Then in Birmingham, a wild gunfight leaves an innocent young man dead. Detective Jody Jacobs is on the hunt for two shooters and needs to determine who fired the first shot.

In Birmingham, Detective Chris Anderson investigates the gruesome murder of a woman who is shot to death and then set on fire. Anderson hunts down his suspects, but it's the victim's family that reveals a final, disturbing twist in the case. In DeKalb County, Detective Joe Renaud is working the homicide of a father of four, gunned down outside an apartment complex on the east side of town.

In Dekalb County Georgia, an out of state truck driver is found shot to death in the cab of his truck. Detectives working the case trace the victim's missing cell phone hoping it will lead them to the shooter. And in Harris County, TX, investigators work the case of an exotic dancer found murdered in her house. The need to find out if the killer could be someone she knew and trusted.

In Miami, a good Samaritan is shot dead while intervening in a robbery. Det. TC Cepero is forced to resort to a needle-in-a-haystack search for the getaway car, and for the homeless woman who may have seen the killer.

Dallas Detective Dwayne Thompson and the homicide team investigate the brutal double murders of two friends shot and burned beyond recognition in the trunk of a car. Will detectives be able to catch the killers before they strike again?

In Dallas, a well loved man is discovered in his apartment on a bed of broken glass. With only fragments of clues the homicide team zeros in on a suspect, but nothing is what it seems.

A massacre outside a corner store leaves two dead and two clinging to life. With no witnesses, Miami detectives hope the surviving victims live to tell who pulled the trigger. In Cleveland, a man is found strangled in his apartment.

In Harris County, Texas, a man is stabbed at a strip mall in the middle of the night. Sgt. Craig Clopton finds surveillance video of the murder, but it leaves him with more questions than answers.

In Dallas, a fight among school girls turns into a deadly home invasion. Then, an attempted car jacking in Cleveland leaves an innocent man shot dead.

When a Dallas man is found shot to death in an apartment complex, the homicide team must rely on the eyes of the community to help solve the case before the killer slips through their fingers.

In Dallas, a drive-by shooting among teenage boys leaves an innocent bystander dead. In Cleveland, a young father partying with friends at a nightclub breaks up a fight and ends up murdered.

In Miami, a beloved father is gunned down outside his apartment, leaving his son and the Homicide team wondering who would want him dead.

In Dallas, a dismembered body is found burned in an open field. With no leads on the victim's identity, detectives turn to the public for help in solving this baffling case.

In Miami, the homicide team investigates a triple shooting on a crowded bus that injured two and left a teenager dead. As detectives work the case, they discover that their victim was killed in an escalating street war.

An unarmed man is shot in the back, but no one will give up the shooter; three best friends head home from a party, but one of them ends up dead.

In Harris County, Deputy Dennis Wolfford responds to the murder of a 20-year old convenience store clerk, killed by a gunman wearing a mask and gloves.

In Miami, club night turns deadly for an unarmed teenager. Detectives need devastated friends and family to help lead them to the killer. In Cleveland, two college students are robbed and shot while walking their dog.

In Dallas, an innocent man gunned down in his car leads detective on a manhunt for a killer on shooting spree. As the investigation unfolds, witnesses reveal the brutality of the shooter.

In Miami, a man found stabbed to death and dumped in an empty lot turns into a standoff with the house next door. Then in Harris County, a young father shot down in a turf war sends cops on the hunt for a killer caught on video.