ROBERT VERKAIK is the former security editor of the Mail on Sunday who now writes for the Guardian, Independent, i, Tortoise, Observer, Times, Sunday Telegraph and Sunday Times. He is the author of Jihadi John: The Making of a Terrorist and Posh Boys: How English Public Schools Ruin Britain, published by Oneworld in 2016 and 2018. His reporting has been long-listed for both the Orwell Prize and the Paul Foot Awards. He was a runner-up in the specialist journalist category at the 2013 National Press Awards. Robert lives in Surrey.