When landscape architect Joanna Yeates disappeared after work Christmas drinks, the nation was gripped by the search for her. Tragedy struck on Christmas day morning when her body was found in a snow-covered lane. But who had killed the young woman?

Sabrina Kouider couldn’t have lived such a glamorous lifestyle without the help of Sophie Lionnet, the young French au pair who looked after her children. What Sophie didn’t know was that her employer was gripped by frenzied delusions and paranoia.

Breck Bednar was a loving, family-oriented 14-year-old who had lots of friends and excelled at school. But he was also seduced by the world of online gaming. He didn’t see the dangers when an older teen made lucrative job offers.

Millionaire Peter Morgan moved a young mother, Georgina Symonds, into one of his properties, paying her thousands a month to be his ‘girlfriend’. But when the relationship turned sour, he began plotting his revenge.

For years police suspected Levi Bellfield of crimes including sexual assault, GBH and abduction, but there was never enough evidence to charge him. Then they began connecting him with the murders of young blonde women.

A gangland feud brings years of murder and mayhem into an inner-city community. Journalist Dermot Murnaghan and detective Clive Driscoll delve into the shocking story of Mark Fellows, and the persistence and ingenuity that brought the feud to an end.

Dermot Murnaghan remembers the morning of 2 June 2010 when the news broke of a gunman on the loose in Cumbria, indiscriminately killing strangers. Along with former Met detective Clive Driscoll, Dermot looks back on the remarkable events of that day.

Dermot Murnaghan brings in the homicide expertise of top detective Clive Driscoll to explore the investigation into the death of pharmacist Jessica Patel. Her husband Mitesh claims it’s a burglary gone wrong, but the evidence paints the real story.

Dermot Murnaghan looks back on the disturbing tale of how a sadistic game played by Isabella Gossling and her boyfriend Richard Moors resulted in the death of an innocent young man.

Dermot Murnaghan is joined by former Met detective Clive Driscoll to look back at the case of Harry Jarvis, the cheating husband who kept his mistress in the shed while plotting to murder his wife.

At the age of 25, Mark Martin murdered three young women in Nottingham city centre in the winter of 2004-2005. Since his teens, Mark Martin had been fixated on serial killers, and had an ambition to become Nottingham’s first serial killer.

Glyn Dix shot dead his landlady in 1979. While serving a life sentence he met and fell in love with a fellow inmate’s mother. They married, but three years after his release he killed his wife.

James Fairweather was a 15-year-old boy obsessed with serial killers, violent video games and extreme pornography. He stabbed two strangers to death in separate attacks. He was found unanimously guilty by a jury on 22 April 2016.

Sana Muhammad, formerly known as Devi, had left her unhappy arranged marriage to Ramanodge Unmathallegadoo and remarried. She was a pregnant mother of five when he murdered her in her home.

Stephen Port was convicted of the assaults, rapes and murders of Anthony Walgate, Gabriel Kovari, Daniel Whitworth and Jack Taylor. He was sentenced to life imprisonment with a whole life order.

Nathan Maynard Ellis and David Leelsey shared a love of the macabre - their home was a shrine to horror. Maynard Ellis had long fantasised about turning fiction into fact. When he met the unsuspecting Julia Rawson, her fate was sealed..

He started out as a peeping Tom, but Pawel Relowicz’s appetites grew. He was a sex pest who preyed on young women, and when Libby Squire was drunk and alone, he stalked her... and pounced..

Mark Jewitt was a man with issues. Depressed and isolated, he grew obsessed with the noise that came from the flat downstairs. Jewitt was a time bomb, and the night that Vera Hudson forgot her keys, he went off..

Young women disappeared without trace, their naked, dead bodies unearthed as Ipswich found itself in the grip of a serial killer. Steven Wright played a game of cat-and-mouse with detectives before they caught the man dubbed ‘The Suffolk Strangler..

When Janbaz Tarin married Raneem Oudeh, she didn’t know he had another family and she didn't know he had a temper. But Tarin was not a man she could walk away from, and once he set his sights on her, nobody could save her..

Used to getting his own way, Elliott Turner was enraged when Emily Longley appeared immune to his charms. Detectives spent months uncovering the circumstances of his girlfriend's death and it resulted in the imprisonment of Turner and his parents..

Nurse Ben Geen relished his hero status, but few would guess that the emergencies he worked on were orchestrated by him..

They called it an honour killing: murdering their 17-year-old daughter because she wouldn't marry a man she didn't know. Detectives would take years to bring Shafealia’s killers to justice and unravel the mystery that surrounded her death..

Michael Sams was a clever man, full of ideas on ways to make money. But when his plans turned to abduction and ransoms, the stakes got higher..

With a new baby and partner Ian back in her life, Kayleigh thought her life was complete. But his anger and controlling behaviour knew no bounds. Her family saw him as a ticking time bomb, and when he went off he took the life of a young mother.

Michaela Hall was a kind and caring person who worked hard for a charity that helped ex-prisoners... When she met Lee Kendall, an addict with a troubled past, she believed she could help him turn his life around.

Leaving Brazil and starting their life in Surrey, it would appear to outsiders that Aliny and Ricardo Godinho had worked to build a better life for their four children. But the door closed on a marriage wrapped up with control and fear.

In 1976, the quiet town of Flint was shattered when the body of 15-year-old Janet Commins was discovered brutally assaulted and murdered. Desperate for answers, police quickly targeted Ian Jones, a marginalized outsider.

Kelly and George Worgan had it all: a happy marriage, beautiful children, and the perfect family life shared on social media. But behind closed doors, George's secrets, financial troubles, and mounting pressure created a dangerous storm.