Summary: After celebrating his birthday with friends and family, the man is found dead on a sidewalk. Twists and turns lead detectives down a crazy path. Finally appealing to the public, they get a lead.

Summary: A deaf man is stabbed to death in the doorway of his home. Detectives are on the trail of their suspects, who might be linked to an unsolved murder. A street party is interrupted when shots ring out, leaving a young man dead. Witnesses are few but when found their information may lead detectives to a killer.

Summary: The body of a man is found in the snow. Detectives work to find a killer, but first they have to get the friend to tell what she knows.

Summary: A motorcycle club president was run off the road, and then shot in the head. Detectives work to find answers and a killer. A woman is strangled in her apartment. Detectives are on the hunt for this killer that has left seven children without a mother.

Summary: A young woman is shot and killed in the middle of the day. Detectives race to identify the victim and catch her killer. Outside of a strip club a young man is brutally murdered. Using onsite surveillance and forensics detectives track their killer.

Summary: 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.

Summary: Passing motorists discover the decomposing body a person reported missing by a friend. As detectives search for the friend, they quickly realize this is going to be a long road.

Summary: A young father is gunned down in the middle of the day. Detectives work quickly to establish witnesses and get leads. With a license plate number and a security camera, detectives start their search to bring this killer to justice.

Summary: A love triangle turns deadly, and detectives work to untangle the web. Gun fire erupts in a car leaving one man dead and another injured.

Summary: 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.

Summary: 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?

Summary: A woman is stabbed multiple times. Once detectives arrive they realize they are familiar with the victim. They turn to friends and family to help isolate a killer. A dieing man speaks his final words to his sister after he was shot. Will his words lead to his killer?

Summary: A man is shot inside his home, a woman calls 911 from inside then flees the scene. Detectives set out to find this woman to see if she is just a witness or if she is a cold blooded killer. A homeless man is stabbed in the park and left to die. Detectives search for clues and get a tip the victim was last seen with a friend. They race the clock to find out if this friend is actually a killer.

Summary: A 24-year-old father of two is shot in the street; a 27-year-old man is found dead in a field.

Summary: A fight between two teenagers leads to the murder of a 29-year-old man and his paralyzed mother.

Summary: 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.

Summary: In Louisville, two detectives are hoping to solve the murder of an unidentified man.

Summary: Harris County/Miami - Dep. Mario Quintanilla investigates the murder of a woman shot during a robbery of her illegal game room. Acting on a tip that his suspects are from Central America, Quintanilla races to find them before they can flee the country. And in Miami, Det. Fabio Sanchez heads to Little Haiti to investigate the homicide of two young men shot in their living room. Sanchez must track down a friend of the victims, who was with them before they were shot, to find out what he knows.

Summary: 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.

Summary: 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.

Summary: Birmingham/Louisville - Det. Jerry Williams and his team investigate the murder of a young man shot dead in an abandoned apartment. And In Louisville, Det. Brenda Wescott investigates the unusual death of a woman shot dead on a residential street.

Summary: Miami - Det. 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.

Summary: Harris County/Birmingham - When a 16-year-old boy is murdered at his family's roadside taco stand, Sgt. 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, killed when a late-night tune-up turns deadly. When he gets a tip that the suspect is about to skip town, Walker launches a major manhunt.

Summary: 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.