The gangland feud that led to two horrific murders within just four days in Dublin.
How did Jimmy Savile get away with sexual abuse when so many people knew so much?
What would a seven-day NHS look like, and can the government afford to pay for it?
US satirist PJ O'Rourke goes on the campaign trail in New Hampshire. Can Trump really win?
The former army chief speaks on now-dismissed allegations of child abuse made against him
Tommy Robinson launches the UK branch of the German anti-Islam group Pegida.
The story behind the fatal poisoning in London of Russian exile Alexander Litvinenko.
Should Labour MPs be scared of Momentum? Stephen Bush of the New Statesman finds out.
Is it time for the west to admit it lost the war in Afghanistan?
Thousands of migrants are stuck in Vienna. Will they ever realise their European dreams?
Has the west or its allies entered into an unspoken alliance with Al Qaeda in Syria?
Investigating bullying allegations in the conservative youth movement. John Manel reports.
The secretive counter-extremism programme known as Channel is investigated by John Ware.
Peter Oborne gives his verdict on crucial questions raised by the 2003 invasion of Iraq.
Why an operation might be the best way to treat Type 2 diabetes
The programme looks at who is eligible for a visa to live or work in the UK.
Why the first licensed drug to treat low sexual desire in women is proving controversial.
Can Greece turn its fortunes around? Frances Stonor Saunders asks the Greek people.
Why British writer Cedric Belfrage avoided prosecution after passing top secrets to Russia
The current milk crisis, seen through the prism of long-running radio soap The Archers.
Mairia Cahill tells her story of sexual abuse at the hands of a senior IRA operative.
Are e-cigarettes a health hazard or the best aid we have for smokers trying to quit?
Deserted beaches and empty hotels: a package holiday after the terror attack in Sousse.
How has Jeremy Corbyn MP garnered so much support in Labour's leadership contest?
The charity Kids Company and its founder Camila Batmanghelidjh are under fire. Why?
Peter Marshall investigates claims the RSPCA faces a takeover by animal rights radicals.
Do Jehovah's Witnesses' child safeguarding policies adequately protect against abuse?
Has Britain got too close to Rwanda after its remarkable recovery from the 1994 genocide?
Mobeen Azhar investigates the rising popularity of 'chemsex' parties on London's gay scene
Why are patients given unnecessary medical treatments? Should doctors just say no?