Robert Verkaik is an author and award-winning journalist. He was the Home Affairs Editor of the Independent and the Security Editor of the Mail on Sunday. He is the author of Defiant: The Untold Story of the Battle of Britain, Posh Boys and Jihadi John: Making of a Terrorist, as well as the Sunday Times bestseller The Traitor of Colditz, and The Traitor of Arnhem. He is a non-practising barrister and lives in Surrey.