«Nicotine isn’t addictive». These words are the ones that the tobacco industry’s seven most important leaders pronounced in front of the United States Congress. It was April 4th, 1994. Four years later, they had to pay a $200 billion fine and to make their archives public. Deep inside these millions of pages that were classified as «confidential », the whole world learned of a large-scale strategy of disinformation and manipulation. Infiltration of advertising and science, political lobbying, pressure on journalists: complex mecanisms were put in place to create a smokescreen of lies for 40 years...