The hidden story of the 1989 fatwa issued by Ayatollah Khomeini against Salman Rushdie.
Frank Gardner talks to former allies of Osama bin Laden who have turned against him.
The secretive counter-extremism programme known as Channel is investigated by John Ware.
Egypt's Muslim Brotherhood won at the polls but failed to keep power. What went wrong?
Manveen Rana uncovers hate speech and sectarianism in British Urdu media.
Peter Oborne investigates why HSBC closed the accounts of several prominent Muslims.
The impact of the Arab Spring on the global reach of the Muslim Brotherhood.
Converts to Islam tell reporter Zubeida Malik how they were lured into extremism.
Manwar Ali reveals why he changed from violent Islamist fighter to anti-radical campaigner
An email from Al Qaeda deputy leader Ayman al-Zawahiri to the group's Yemeni branch.
BBC Middle East editor Jeremy Bowen looks back on the rise and fall of Islamic State.
Jeremy Bowen finds himself in Sudan on the trail of Osama bin Laden.
What threat does a growing fundamentalist branch of Islam pose to Arab Spring countries?
Ernie Rea and guests discuss the religion of Saudi Arabia.
The British Muslims who joined Jihad in Afghanistan, Bosnia and Kashmir in the 80s and 90s
Is al-Qaeda the real beneficiary of the multiple failures of the Arab revolutions?
Was David Cameron right to order an investigation into the Islamist organisation?
How should Britain manage its returning foreign fighters?
Yasmin Alibhai-Brown charts the recent shift towards Puritanism in Islamist culture.
Former al-Qaeda member Aimen Dean talks about his eight years undercover as a British spy.
Born in the USA? Alistair Cooke reflects on Al-Qaeda's use of home grown terrorists.
Five Muslim mums come together to discuss the hate messages their children are exposed to.
Is religious intolerance growing among Britain's ethnic minorities?
Is the Saudi-style ultra-conservative branch of Islam the ideological engine of extremism?