In the fall of 1994, an elementary school principal is found tied to a tree outside Oklahoma City, exposing a decades-long reign of terror and abuse.
Little Girl Lost
When nine-year-old Cyndi is abducted and murdered in small town Lakewood, the neighbourhood kids think they can help detectives catch her killer - but how?
Double Murder Inferno
In a sleepy Seattle suburb a murderer is setting fire to his crime scenes. Can detectives stop him striking again or will this canny killer evade justice?
The Cop And The Killer
When Walt Chavis joined the police force he was prepared for danger. But he never imagined the greatest threat he would face would be his own brother.
Witness to Terror
Looks at how a 'black box' is often the only means of telling how an aeroplane crashed but sometimes generates more questions than answers.
Sixteen-year-old lifeguard Molly Bish goes missing from her work at the local pond. Has she been snatched by a predator, and where is she now?
House of Horrors
Officers from the Pennsylvania SPCA respond to a call concerning abandoned animals. But nothing can prepare them for what they discover inside a kitchen fridge.
When Philadelphia police uncover a massive dog-fighting operation, the Pennsylvania SPCA is called in to investigate, leading to a grisly exhumation in a front yard.
Wired For Disaster
Forensic officers assist their police counterparts to recreate a bomb, which led to the death of a woman, to see if they can catch her killer.
Forensic officers use a brand-new technique to catch a killer who attempted to conceal his tracks by incinerating the evidence.
Tagging A Suspect
The explosion of a pickup truck, which killed the driver and injured a passenger is investigated. But how did forensics help cops catch the person responsible?
Signed, Sealed & Delivered
Police suspect an act of revenge when a bomb explodes in the family home of a witness who testified against two men convicted of shooting a passenger.
Knock Twice For Murder
Sunny Hostin travels to the quiet coastal town of Milford, Connecticut to revisit the murder of Kelsey Monahon, a 28-year-old pregnant woman.
He Said, She's Dead!
With a Coral Gables mansion and membership to a yacht club, life's a beach for accountants Ed and Maggie, but suspicion and infidelity threatens family bonds.
Smoke And Mirrors
When a fire burned down a parsonage behind a church, Paula Allen lost her life. Upon investigation, a fire marshal discovers that this fire was no accident.
Letters In The Closet
In 2014, Karla Villagra Garzon went to get medicine for her daughter but never returned. The next day, her husband reported her missing - what happened to her?
In 2006, Angela Ferguson tells police her husband left during an argument and hasn't been seen since. When his body is found in a car boot, it becomes a murder...
In 2000, Casey and her boyfriend T.J. disappeared, never to be seen alive again. Detectives turn to the friends they were with the night they vanished for answers.
She Was Gone
Lisa Moore disappeared three months after a seemingly amicable divorce. But, when her family find her truck abandoned in a carpark, they believe she has been murdered.
Wheeling And Dealing
In 1996, the owner of a successful business takes a trip to meet a mystery woman. But, when he goes missing, police believe something sinister has happened.
Cult Of Personality
In 2014, gunshots are reported in the Rodgers home. Doctors and detectives piece together the events that led up to what looks like an attempted murder-suicide.
In the mountains of Colorado a young pilot goes missing without a trace, leaving behind her baby. Police unravel a story far more horrifying than they imagined.
Little Shop Of Horrors
Aspiring architect Claudette Ficik charms everyone she meets with her warm personality, but one cold February day she disappears in broad daylight.
The Girl in the Lockbox
When Lori Ruff is found dead, her family and friends are left reeling. Worse, the investigation reveals she was lying to them for years about her identity.
Making A Killing
To collect on her husband's life insurance policy, Michele Williams staged a lethal home invasion. And, two women enter murderous conspiracies with their lovers.