In the final part of this series, Sir John Scarlett, the former head of Britain's Secret Intelligence Service talks about the interrogation of terrorist suspects and MI6's role in the run up to the war in Iraq.

The Philippines is one of the most dangerous places in the world to report from. More than thirty journalists were killed there in a single incident at the end of 2009. Kate McGeowan travels to the troubled southern island of Mindanao to meet one of the reporters whose job it is to cover the daily violence there.

How have advertisers and brand specialists convinced us to buy a commodity that is sold for a great deal more than it costs to produce? Louise Hidalgo looks at the exponential growth - and the cost - of the yoghurt industry.

In this two-part series, the BBC’s Paulo Cabral travels to the two places that marked Lula’s life – the poor region in the northeast where the president was born, and the industrial suburb of Sao Paulo where he made his reputation. What has been the legacy of one of the most popular politicians in Brazilian history?

The second part in this series describes what went on behind the Iron Curtain during the Cold War. Former MI6 Chief John Scarlett describes his clandestine meeting with an agent and the Russian defector Oleg Gordievsky talks about his reasons for coming over to the other side.

For Assignment Rob Walker travels to the city of Tijuana on Mexico's border with the United States on the trail of one of Mexico's most controversial law enforcement officers.

How have advertisers and brand specialists convinced us to buy a commodity that is sold for a great deal more than it costs to produce? Louise Hidalgo looks at the exponential growth - and the cost - of the breakfast cereal industry.

Many Turks have lost faith in their judges, who are seen as out of touch and too close to Ataturk's secular and military state. What will determine this struggle for power between the government and judges?

Britain's Secret Intelligence Service, marks its centenary this year and BBC security correspondent Gordon Corera talks to senior intelligence figures as well as their former arch enemies about the shadowy world of espionage.

How have advertisers and brand specialists convinced us to buy a commodity that is sold for a great deal more than it costs to produce? Louise Hidalgo looks at the exponential growth - and the costs - of the bottled water industry.

Why are judges so important in today's world and how do the courts earn and use their power? In part one Laura Lynch hears from judges operating in Russia and Colombia – what does it take for judges to stand up to pressure?

Does Somalia deserve its bad reputation for corruption? In the second of a two-part series, Pascale Harter asks if, after nearly two decades of civil war, is it even fair to talk about corruption in Somalia? Or has it now begun to drive the conflict?

Does Sweden live up to its squeaky clean image? In the first of a two-part series looking at perceptions of state corruption, Pascale Harter investigates whether Sweden - consistently ranked among the least corrupt countries in the world - is quite as it seems.

"We like our crooks, our fast Eddies, and we find them entertaining." Steve Edwards takes to the mean streets of his hometown Chicago - asking why the Windy City is such a hotbed of corruption.

In this exclusive two-part documentary, Mike Costello travels to the Philippines to meet boxing legend, record-breaking eight times world champion, politician and national hero, Manny Pacquiao.

For Assignment Angus Stickler tracks how money has gone astray across the 27 member states of the European Union and asks why funding continues in regions with proven records of mismanagement and fraud.

You're standing on a footbridge next to a very big man. The only way you can stop an out-of-control train is to push him over the footbridge onto the track. His bulk will stop the train and save lives. Will you push him? Stephen Evans explores this moral dilemma to discover what sort of ethical creatures humans are.

In this exclusive two-part documentary, Mike Costello travels to the Philippines to meet boxing legend, record-breaking eight times world champion, politician and national hero, Manny Pacquiao.

More than six million people in Pakistan now face the start of winter without adequate shelter because their homes were destroyed in the devastating floods in August. Jill McGivering, who reported on the floods at the time, returns to one of the worst hit areas to investigate claims that corruption played a major part in the flood damage itself.

"Lucky them, they didn't have to fight the battles we fought." Michael Goldfarb traces the history of protest through the footsteps of those who have campaigned for and celebrated the rights of the gay community in Britain and across the globe.

"There are no words to describe when you lose your child, especially one who was full of life a talented girl that liked dancing." Sheena McDonald travels to Costa Rica to find out if new legislation to tackle drink-driving is working and reducing the number of road deaths.

Pioneering French marine explorer Jacques Cousteau brought marine life to cinema and television screens for the first time. Bridget Nicholls speaks to Costeau's friends, family and colleagues as they look back on the life of this difficult but inspiring man in the centennial of his birth.

Almost every day in the Russian republic of Dagestan there are reports of Islamist insurgents assassinating police officers and local officials. And there are regular clashes between extremists and the security forces across the republic. It's causing Moscow deep concern and they blame 'outside forces' for orchestrating the violence; but human rights groups say it's a combination of poverty and police brutality which is fuelling the insurgency. For Assignment Steve Rosenberg reports from...

"I have a dream that my four little children will one day live in a nation where they will not be judged by the colour of their skin but by the content of their character." Michael Goldfarb traces the history of the march through the footsteps of Martin Luther King, Mahatma Gandhi and Mao Zedong.

"It's a woman with a tiny baby and luggage on the back of a motorbike with no helmet." Sheena McDonald travels to Kenya to find out what the government is doing to improve on road safety and reduce the number of traffic accidents.