Full Episodes

In 1976, the first of four children is abducted and murdered in the suburbs of Detroit. After more than 30 years the families of the four murdered children and Detroiters like J. Reuben Appelman are determined to find the Oakland County Child Killer.

Jeffrey Davis was devastated when his mother was strangled. Over the years, with her murder still unsolved, Jeffrey received two highly disturbing letters - read publicly for the first time -from the same mysterious author, revealed as BTK.

BTK meticulously catalogued his crimes and fantasies, which he kept in a locked file drawer in his office. In this episode detectives who caught him disgorge some of the contents of that drawer and take viewers on a journey into a psychopath's mind.

Forensic Psychologist Katherine Ramsland spent five years communicating with BTK after he was incarcerated. Here she tells the chilling story of how an ordinary farm boy became a bloodthirsty killer, as he told it to her.

After years of suffering unfathomable anguish, BTK's daughter, Kerri Rawson, is finally speaking and writing about what it's like to learn your beloved father is actually a notorious serial killer. The story she tells here is utterly heart wrenching.

During his murderous heyday in the 70s, and upon his re-emergence in 2004, BTK loved to taunt authorities with the many communications he sent to KAKE TV in Wichita. In this episode we learn how deep his twisted connection with the station ran.

From 1974, BTK terrorized Wichita, Kansas until he was finally caught 30 years later. This two-hour special recounts his crimes, the investigation that captured him, and the impact on the lives of everyone in his orbit - especially his daughter.

A young man franticly tells police that he's escaped from the house of a torturous madman named Bob. Police storm the house and discover a torture chamber. Investigators suspect Bob of murder but must discover where he has buried the bodies.

In 1976, the first of four children is abducted and murdered in the suburbs of Detroit. After more than 30 years the families of the four murdered children and Detroiters like J. Reuben Appelman are determined to find the Oakland County Child Killer.

From 1974, BTK terrorized Wichita, Kansas until he was finally caught 30 years later. This two-hour special recounts his crimes, the investigation that captured him, and the impact on the lives of everyone in his orbit - especially his daughter.

When Stacie Smith is found dead and an accusation that she's been unfaithful is written on the wall of the crime scene, police believe that a jealous lover is behind her death. But that might just be a ploy to frame the wrong man for the crime.

Felecia Collier almost killed Chester Turner once. At the time, she was relieved to hear that he would survive. But years later, that moment would become the biggest regret of her life. If only she had just killed him.

Salvador Vaca Garcia tearfully appears on local news when his girlfriend disappears. John scrutinizes Vaca Garcia's story. Later, Callahan Walsh looks at Brian Keith Freeman who allegedly slits his fiancé's throat when their engagement falls apart.

An affair with another man's wife drops fun-loving James Raine in a world of deceit and greed where two men die and a tight-knit family is torn apart. His older brother Enoch and his uncle William battle to uncover the murderer and stop the killing.

Money, privilege and power - In the first of this two-part special, we delve into the disappearance of Kathie Durst, wife of millionaire Robert Durst. Eighteen years later, Robert's best friend is murdered, and the real estate heir has vanished!

Wherever Durst goes, a trail of blood seems to follow. In the second of our two-part special, a headless torso washes ashore, leading investigators to the millionaire. Durst makes curious statements and we preview his possible day of reckoning.

Luis Frias makes John Walsh's personal most wanted list when Frias allegedly murders his common-law wife in front of their kids. Then, Callahan Walsh explores a bizarre case: Harold "Butch" Knight leaves clues after confessing to killing his wife.

In 1984, a couple goes on a brutal killing spree throughout the Midwest. After claiming the lives of 8 victims, the pair must decide if they'll keep killing or surrender to the police. Their mindless violence leaves the region shocked and appalled.

A body is found engulfed in flames in a Los Angeles alley. He's thought to be the victim of brutal gang violence, but a tip soon leads police to the victim's ex. When new evidence is unearthed years later, it's clear the police were dead wrong.

On March 18th, 2011, 32-year-old Patty Ayala is murdered at the Burger King where she works. Police find the safe open and a mysterious message next to Patty's body. They turn to surveillance video, and it's there the killer emerges from the shadows.

On October 26th, 2009, widower Philip Gatusso is murdered in the quiet town of Fargo, North Dakota. As his in-laws drive across states to care for their now orphaned granddaughter, detectives turn to a witness that never sleeps - surveillance video.

On November 21, 2014, Jessica Padgett disappears. The only lead is her abandoned white Subaru. Surveillance cameras show her driving into a parking lot and walking down a back alley, never to return. Will police discover what really happened to her?

When a teenager goes missing from her local Walmart, detectives struggle for leads. But then surveillance cameras reveal terrifying footage of a prowler kidnapping her, transforming this investigation into a desperate race to bring her home alive.

In Philadelphia, a 22-year-old nursing assistant vanishes. When police check the local CCTV footage, they discover that Carlesha Freeland-Gaither was violently abducted right on camera. But who is the mystery man snatching her off the streets?