The Big Cases

Primary school teacher Sabina Nessa was killed at random by a man with a history of violence.

Sir David Amess MP was murdered by an IS fanatic, at a meeting in a church in Southend-On-Sea in Essex, UK.

This is the story of a dangerous MI5 agent, which the government tried to keep secret.

Rikki Neave left for school but never came home. Decades on his killer has been jailed.

Logan Mwangi was five years old when he was murdered by the people he trusted.

How a lorry driver, looking at dating sites while driving, went on to kill three.

It's one of Scotland's longest unsolved murder cases. Alistair Wilson was shot on his doorstep almost 20 years ago. Are police any closer to finding who killed him and why?

Revealing the killer who decapitated her friend and dumped her body.

Sarah Sands stabbed to death a convicted paedophile who was accused of abusing three more young boys. BBC News can reveal, for the first time, that they were all her children. Now all three boys have become adults, they speak, alongside their mum, about the killing, and subsequent events

Zara Aleena was killed walking back from a night out by a sexual predator, only recently released from prison, labelled a "danger to any woman".

The schoolgirl charged with terrorism, but found to have been exploited. Rhianan Rudd, 15, was the youngest girl to be charged with terrorism offences in the UK. She took her own life in 2022. Her mum says investigators should have seen her daughter as "a victim rather than a terrorist".

The story of Bennylyn and Jellica who were murdered after starting a new life in the UK.

How was Salman Abedi from Manchester radicalised to the point where he could kill, and could the Manchester Arena bombing have been stopped?

The story of false accusations about being the victim of a grooming gang and how it sent shockwaves through a small town in the North of England.

Lyne Barlow is a bogus travel agent from County Durham, conning hundreds of holidaymakers and her family in a £2.6 million scam, which also saw her lie about a cancer diagnosis.

Lilia Valutyte died from a single stab wound in her chest. Her killer was found unfit to plead, but a jury determined in a trial of the facts he killed the nine-year-old.

Elle Edwards was shot dead as she celebrated Christmas Eve, in a murder that shocked the UK. We follow her dad Tim as he deals with the devastation of his daughter’s death.

Sgt Matt Ratana was shot and killed on duty by a handcuffed prisoner just three months before he had been due to retire.

The story of Nicholas Rossi - the US fugitive who came to the UK with a new identity after faking his own death. He claims he is called Arthur Knight and is a victim of mistaken identity, but a sheriff in Scotland is sending him back to Utah to face rape charges. We speak to the people who knew Nicholas Rossi in his previous life in America and chart his story from there to his discovery by police in a hospital bed in Glasgow.

The story of a social media influencer, her mum and a murder plot.

The MP who rose from obscurity to being imprisoned for fraud. The story of Jared O'Mara.

The hospital unit where patients were drugged to keep them "quiet and compliant".

Barnaby Webber, Grace O'Malley-Kumar and Ian Coates were killed in a series of stabbings by one man on the streets of Nottingham in the summer of 2023.

The quiet Irishman behind the high hedge had a history his neighbours could have never guessed: the man they knew as 'Frank' was really Freddie Scappaticci, a man with many secrets. Not only had he been an Irish Republican Army killer, he was at the same time an agent for the Army – perhaps their most important source inside the IRA, with access to their most sensitive secrets.

Monika had moved to the UK from Poland for a better life. She had work, a new place to stay but then was hit by a drink driver. He served time for injuring her so badly she could never walk or talk again. Six years later, Monika died. It was time for justice, again.