Season 12

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. Without little to go on, Renaud and his team must put the pieces of this puzzle together to track down the killer.

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.

In Birmingham, Lead Det. Henry Lucas and the Birmingham Homicide Team are trying to solve the mystery of how a young man ended up shot in the back in the middle of a scrap yard. With no witnesses, Lucas hopes the victim's friends can lead him to the killer. In DeKalb County, Lead Det. Lynn Shuler and the Major Felony Unit are called to a motel where a woman has been found dead. The case takes a dark turn when the team learns that a man was in the room shortly before the woman died, but had since disappeared.

In Harris County, Deputy Mario Quintanilla and his team are investigating the mysterious disappearance and possible murder of a 20-year-old single mother. After days of searching and only a bloody, abandoned car as evidence, Investigators needs to retrace her final steps to solve the mystery.

A janitor is stabbed to death in Miami; a Birmingham pedestrian is killed after fixing a car for his 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.

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, 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.

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

An out-of-state truck driver is found dead in the cab of his rig; Texas investigators probe the murder of an exotic dancer.

An unarmed man is gunned down outside a bar; a woman is found bludgeoned to death in her apartment.

Two friends are shot, then burned inside the trunk of a car

A woman is murdered in front of her daughter during a home invasion in Harris County, Texas; a Dallas teen runs into serious trouble while trying to sell a gun.

An unarmed Miami man is shot in the back; three friends in Cleveland leave a party, but one of the group ends up dead.

An unarmed Miami man is shot in the back; three friends in Cleveland leave a party, but one of the group ends up dead.

When a friendly house party turns into a double murder, the only female homicide detective in Cleveland has to piece together what went wrong. In Harris County, a hardworking father stops off for a drink after work and ends up the victim of a robbery gone bad.

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. Detectives go on the hunt for one of his friends and uncover a shocking motive.

Detectives embark on a four-state manhunt to find the killer of a Cleveland driver; Miami police need citizens to loosen their lips and help them solve a murder.

A Miami homicide team investigates the shooting death of a kindly father. Detectives investigate the murder of a Dallas man shot in his sleep, uncovering the shocking story of his girlfriend's dark past.

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.

Surveillance video of a fatal stabbing at a Texas strip mall leaves a policeman with more questions than answers; a Dallas man is shot to death in his living room.

Two Dallas men on their way to visit family are gunned down; a police detective searches for a burglar who strangled a Cleveland preacher.

Miami homicide detectives investigating a triple shooting on a crowded bus learn the violence was the result of an escalating street war.

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.

Dallas homicide detectives call upon the community for help when a man is shot to death in an apartment complex.

In Miami, a man is gunned down on a quiet city sidewalk. A mysterious car leads detectives on the trail of a suspect with a violent past. Then in Cleveland, a young mother of five is found shot in her apartment. With no witnesses, detectives turn to her outraged community for help.

A drive-by shooting in Dallas leads to the death of an innocent bystander; a young Cleveland father is killed as he attempts to break up a fight.

A Miami man is stabbed to death and dumped in an empty lot; a young father is the victim of a turf war.

A teen is killed in Miami; two college students are robbed and shot while walking their dog in Cleveland.