About the Author

ROB EVANS has been a reporter for the Guardian since 1999. He has won awards for his work both on corruption scandals and for promoting freedom of information, including the Paul Foot award for investigative journalism. He is also the author of Gassed: British Chemical Warfare Experiments on Humans at Porton Down. He previously worked for the Sunday Telegraph and the Financial Times.

PAUL LEWIS is Washington correspondent for the Guardian. His investigations into undercover policing in the UK took place when he was working as the newspaper’s special projects editor, between 2010 and 2013. Paul has won 10 major journalism awards since joining the Guardian as a trainee in 2005. He is currently co-writing a second book about the English riots. He studied at Cambridge University and Harvard University.