After the murder of 15-year-old Milli Penn, detectives investigate the masked shooter, rumoured to be another teenager linked to a fight club.

Detectives in Waynesfield, Ohio, discover the body of Erin Mulcahy in her shower. Can the police catch those responsible for the town's first murder in 50 years?

Friends Debra Coffey and Melissa Lewis both work at a Florida law firm. When Melissa's body is found in a canal, Debra is wracked with guilt as a dark secret is revealed.

A wealthy New York financier is found murdered in his mansion. Video surveillance may have captured the event, but investigators go down a winding road.

In 2008, Houston mum, Tina DaVilla, is out with her baby when she's attacked in a parking lot. Soon, similar crimes hit the city - are they related?

In Florida, an argument escalates into a double kidnapping, spurring a police chase. The suspect uses a hostage as a human shield and escapes into a nearby forest.

In Florida, a carjack sparks a police chase over land, air, and sea, with the suspect stealing multiple vehicles in a desperate bid to outrun the law.

Two teens are shot dead on a remote Florida beach in broad daylight. But with two jurisdictions on the case, leads are scarce - until an unexpected call comes in.

22-year-old mum, Shawn Williams, goes to the store one night and never returns. Her body is found the next day along an Oklahoma river. Is the killer a man in her life?

Friends Debra Coffey and Melissa Lewis both work at a Florida law firm. When Melissa's body is found in a canal, Debra is wracked with guilt as a dark secret is revealed.

The Shahanazaris moved from Iran to California for a better life. But when youngest son, Chris, is killed in a violent home invasion, his brother fears he is to blame.

A young woman acts erratically at a restaurant and police take her into custody. They release her in the middle of the night - and she disappears.

Officers find a Georgia high school senior's strangled body in flames, sparking a long quest for justice. In South Carolina, a college student disappears.

Bradyn's parents panic when they can't reach him, and their alarm increases when they realise he's stolen a handgun. What is he running from and where is he heading?

Tom is desperate about his wife's disappearance but when her boss voices doubts about his character to police he falls under suspicion. Can phone records solve the case?

A woman prepares for her vengeful sister's eventual release from prison, where she's serving time for shooting her ex-husband.

When police arrest Melvin for murder, his son Mike is sure he is innocent and that his dad's girlfriend is to blame. After being acquitted, Mel confesses.

A deserted bloody vehicle has detectives thinking murder. Their investigation leads them into the world of Florida pageantry and an unlikely suspect.

In Orinda, California, the "Bobbies" function like a high school sorority. When someone murders one of their own, every Bobbie becomes a suspect.

A retirement community in Evansville is stunned when a 65-year-old man is found shot dead in his own home. Detectives quickly learn this is no ordinary homicide.

When a family of five disappears during the Christmas holiday, investigators uncover a manipulative psychopath with a motive to annihilate his family.

In a small Texas town, deputies respond to a 911 call and discover a young woman decapitated inside her home by her psychopathic husband.

Ten years after his murder trial, a desperate O.J. Simpson stars in a hidden camera prank show, as producers push boundaries to bank on his infamy.

As week one of production of O.J. Simpson's hidden camera prank show continues, producers struggle to control their temperamental star.

When Aziza Murphy ends a relationship with a man she meets online, he launches a relentless stalking campaign that takes her job, safety and peace.