Ch4 Dispatches: America's Secret Killers (2011)

The strike that killed Osama bin Laden provided a glimpse of the vast and often secret campaign by US special forces and troops to kill thousands of Taliban and Al Qaeda fighters. They call it 'precision targeting'; their critics say it's assassination. A six-month investigation by Dispatches has gone inside the US 'kill/capture' programme to discover new evidence of the strategy's impact, and its costs. The team have talked to key figures in the US military, to US spies and to Taliban commanders and fighters.

What's the environmental impact of the UK's huge soft drink habit? With a thirsty nation getting through two billion plastic bottles a year, and the same for cans, do Coke's recycling claims stand up?

A gripping, eye-opening investigation of Eritrea, one of the world's most secretive regimes, with shocking allegations of torture, detention and forced conscription

The full story of Boris Johnson's friendship with press baron Evgeny Lebedev and his dad Alexander, an ex-KGB spy, revealing the secret fears of security services.

Channel 4 Dispatches investigates the extent to which the war in Yemen is made in Britain. British technicians working for the UK’s biggest defence contractor are working on air bases in Saudi Arabia keeping Saudi jets in the sky. One former BAE Systems worker who left a few months ago reveals the Royal Saudi Air Force (RSAF) would be unable to fly its fleet of Typhoon fighter jets without this support. He tells Dispatches: “With the amount of aircraft they’ve got and the operational demands, if we weren’t there in 7 to 14 days there wouldn’t be a jet in the sky.”

Do you know how skinny your muffin is? How lean your mince is? Or what's in your low-fat yoghurt? As the public try to grapple with confusing messages about what's best to eat, Dispatches investigates how the food industry has reacted to our fear of fat. Through testing some of Britain's best-known food brands, reporter Antony Barnett reveals surprising evidence that suggests there are worrying inaccuracies in the labelling of fat content.

An investigation by Dispatches exposes serious failings in the Home Office immigration system which allows wealthy foreign nationals to become British citizens in exchange for a £2m investment. Channel 4 Dispatches and The Sunday Times went undercover to hear how overseas tycoons can exploit the so-called golden visa system to buy the right to live in Britain even if they have links to the Russian President Vladimir Putin or provide critical components to the Chinese military.