Saturday

Heather, a coffee shop barista, begins an affair with her recently hired employee, Arturo, whose dark side begins to show when he becomes obsessed with her.

Investigators try to determine which suspect fatally shot 40-year-old Terri Ann McCoy, during a home invasion and robbery at her home near Chesapeake City, Md.

Legal scholar Dan Markel was gunned down execution style as he pulled into the driveway of his Florida home. Detectives hunted for a killer - who would hire a hitman to murder a law professor?

A man is gunned down on a Louisville sidewalk during Derby week. A few weeks later the bodies of two teenage boys are found burned and abandoned in a vacant lot. Detectives investigate a strange connection between the murders.

A former fort worth police officer calls 911 late one evening. Emergency personnel respond to find his wife on their bed, dead from a gunshot wound to the chest, which her husband claims was self inflicted. Ballistic tests, fingerprint analysis and polygraph tests are inconclusive, finally blood splatter experts must be used before accusing the ex-cop with the death of his wife.

The berkeley, california fire department responds to a house fire in the early morning hours of june 25, 1994. Firefighters discover the body of a 59-year-old woman near the fireplace. Her body had been badly burned and investigators speculated her death was accidental, though an autopsy suggested otherwise. Also discovered, was the fact that the deceased’s best friend and personal manager had recently cleaned out her bank account, suggesting investigators now had a homicide on their hands.

A tragic discovery in an affluent Virginia neighborhood: a mother and daughter found dead in their home. At first, it seems like a murder-suicide, but as investigators dig deeper, unsettling clues emerge.

A young mother is found brutally murdered in her home, her infant son left unharmed just feet away. With no forced entry and few clues, the case goes cold for decades—until groundbreaking DNA technology leads investigators to an unexpected answer.

A devoted mother vanishes on Thanksgiving Day, leaving behind a mystery that stuns a small Colorado town. As investigators dig into her disappearance, they uncover a chilling plot fueled by deception, betrayal, and a desperate fight for control.

When blue-collar worker Lyle Kopenkoskey is found dead down a secluded country road, investigators race against the clock to uncover the grisly truth behind the cold-blooded crime.

When the wife of a famous New Orleans sportscaster is shot in the face point blank, the killing looks random, but the play-by-play gets more scandalous by the hour.

Nicole Abusharif, 26, murders her partner Rebecca Klein for the insurance money, then leaves her body in the boot of her car for a night of drinking with her young lover, Rose.

Law student Adrienne Hickson fatally stabs her boyfriend Shawn Washington with the knife for her birthday cake when he helps his friends move instead of spending the day with her.

Applebee's waitress Rachel Wade, 19, stabs 18-year-old Sarah Ludemann to death in a vicious teen-girl cat fight over shared bad boy boyfriend Josh Camacho.

Submissive 'good wife' Mary Winkler takes fate into her own hands, before fleeing the scene for a day at the beach with her children.

In the quaint community of West Kelowna, British Columbia, Taekwondo instructor Keith Black has disappeared without a trace. His family alerts the authorities, but a lack of evidence slows the investigation. It isn’t until years later that the truth behind Keith’s whereabouts comes to light — and with it, comes the revelation of a vicious plot, one provoked by greed and resentment.

After 23-year-old Victoria survives a horrific crash, she loses the use of her arms and legs. Years later, she’s awarded a large settlement. She entrusts the money to Brian, an investor and family friend. Three years later, the money is gone and Victoria dies after detonating an explosive device. Authorities must follow a number of

In the late 1990s, one criminal terrorized an entire community. Witnesses refused to speak out. They knew the consequences could be deadly.

In this special episode, we take a closer look at cases previously featured on this series. Our goal is to explore more fully some of the investigative methods and techniques that have made the FBI the premier law enforcement agency in the world.

A beautiful psychology student vanishes without a trace in Manhattan. Was her plastic surgeon husband responsible? Her grieving sister, Alayne Katz, believes so, and almost loses hope that justice will ever be served – until a grisly discovery is made.

As women are attacked on the streets of Ocala, Florida; a mother begins doubting her devoted husband and the father of her three children. Melissa Fountain’s life will be turned upside down when she learns the truth about her soul mate.

As young women go missing across the Midwest, police are on the hunt for a twisted serial killer. A confidential informant goes inside a maximum security prison to find answers.

A sister suspects her troubled brother knows more than he should about women who are missing from the streets of Edmonton. She makes a shocking discovery when she looks inside his hockey bag.

Ohio v. Stanley Ford. Firefighters made a desperate effort to save a young family from a blazing fire, but rescuers were too late. Police declared the fire was no accident and began an arson investigation, which included another unexplained fire a few blocks away that killed a beloved elderly couple. Detectives found their first clue in surveillance footage from neighborhood security cameras — a hooded figure, dressed in white, with no face visible — seen dousing both homes with lighter fluid, igniting the flames and running away. Who was the mystery man?

Arizona v. Mark Gooch. A camper gathering firewood in Arizona's scenic Sunset Crater National Park was shocked to discover the body of a young woman in a traditional long dress, wearing black dress shoes. Her Mennonite family and friends were stunned — she had no known enemies and was a beloved, studious young woman, who loved books. How did she end up dead so far from home? Using sophisticated investigation techniques, police analyzed cell phone tower records and grainy surveillance videos that led them to their number one suspect.

Micah Rine's close-knit, God-fearing family had a bad feeling about Thomas Pate. He seemed... inauthentic. He had a troubled past. But Micah was in love, and nothing could persuade her that he wasn't the man of her dreams. By the time Micah realised Thomas had a dark side, it would be too late.