In the UK, the dismembered body of a woman leaves a gay couple, obsessed by serial killers, in the frame. In the US, a hidden camera provides vital evidence to help bring justice to a family.
In the United States, a missing 15-year-old is found by cadaver dogs. In the United Kingdom, a mystery needs to be solved in order to identify a dismembered body found in a suitcase.
In the US, a murder in a garage is recorded on camera while police pursue their suspect to the Mexican border. In the UK, a woman is found in her bedroom stabbed 54 times after a night out.
In the US, recordings provide vital evidence to solve the death of a man's wife. While in the UK, a feud leads to a house fire that kills four young children and their mother.
In the United States, a five-year-old boy is found dead after going on a trip to Disneyland with his father, and in the United Kingdom, a parking dispute escalates into a double murder.
A camera hidden in a bag of chocolates solves a murder; a gloating social media post entraps a killer.
A couple are found dismembered in their own home; a woman is found dead after being stalked by a stranger.
Police investigate the disappearance of a 5-year-old boy; a young girl's body is discovered in a field.
A sister tracks down her brother's killer; CCTV is the main witness to identifying the killer of a mother.
A British woman is found dead after a date; a girl is killed to cover up an inappropriate relationship.
A man and his accomplice go on a killing spree, leaving four dead. In the UK, a student is stabbed to death.
A woman goes missing with a large sum of money. In the UK, the shocking murder of a woman sparks outrage.
A man calls the police after an attack; phone data tracks the killer. A dog lover is found murdered at home.
A whirlwind romance ends with a woman dead under a blanket. In the UK, a man with stab wounds is discovered.
A mysterious meeting ends with a woman's body found on a country lane. A mother is dead after a house fire.
A man buying yogurt is linked to a missing woman. A student disappears after a cab ride home.
A dead woman in a car is linked to two brothers. Trash bags full of body parts are found in a shed.
In Florida, a 13-year-old girl is found with stab wounds. In Colorado, a woman goes missing after a night out.
A young woman is stalked, but her cry for help is ignored. An estranged husband threatens to kill his wife.
In Texas, a man "fails" to stop his wife's suicide. In Washington state, a man has a deadly plan.
When a college student disappears, police uncover the trail of a serial sex offender and fear the worst. In the US, a double homicide leaves a trail of digital evidence that points to a jealous ex-boyfriend.
Pregnant Summer Tatum was shot twice in the head by her husband after she discovered his online affair. Andreen McDonald, a businesswoman, was killed by her husband, Andre, with a hammer.
Two cases of domestic abuse: Patricia Birmingham in the US and Marta Chmielecka in the UK, both killed by their partners, reveal the deadly consequences of toxic relationships.
Kira Steger's murder by her husband and Whitney Gray's fatal road rage shooting reveal the devastating toll of violence both in relationships and on the open road.
A woman is shot in her car by her estranged husband in front of her daughter. In the US, a Vietnam veteran is shot at home by his son over a will dispute.
The murders of Martika Ferguson and Tiffiney Crawford expose the deadly toll of disproportionate revenge.
An abandoned car is found with four bodies inside; in the UK, a woman is murdered by her stalker.
The murder of a couple is caught on camera; in the UK, a long-standing feud turns fatal.
A young woman disappears after meeting up with an old flame; in the UK, a dating app-related murder unfolds.
A spree killer is on the loose in New Mexico; in Colorado, a mother is found dead inside an isolated cabin.
