Zeinab Badawi speaks to American psychologist James Mitchell. He helped draw up and carry out the CIA's enhanced interrogation programme after the September 11th attacks.
Twelve hours with the president on 9/11 – with direct testimony from President Bush, Vice-President Cheney and senior staff – as it changed them, America and the world
By Bernd Debusmann Jr & Tara McKelvey & Anthony Zurcher
How African independence was stifled by America’s interference.
By Tara McKelvey and Boer Deng
BBC News, Washington DC
Spy thriller about an investigation into a brain drain among scientists. A secret agent finds himself in a world where nobody can be trusted.
By Frank Gardner
BBC security correspondent
By Gordon Corera
By Cristina Criddle