David Gardner is a best-selling author and journalist, who worked as an editor with Newsweek until 2021. He also worked for the Daily Mail as a crime writer and senior foreign correspondent, filing dispatches from war-torn Beirut, covering the first Gulf War - he was the first British print journalist into Baghdad - and travelling around the world on assignments for the award-winning newspaper. He moved to California as the Mail's Los Angeles correspondent, which saw him cover four presidential elections and all the biggest US stories of the past two decades and worked until recently as the London Evening Standard's US correspondent. His most recent book, 9/11: The Conspiracy Theories was a Sunday Times bestseller. His other books include The Last of the Hitlers (2001), an account of how he discovered the descendants of the German dictator, The Tom Hanks Enigma (John Blake Publishing, 2007) and Legends: Murder, Lies and Cover-Ups (John Blake Publishing, 2016), in which he investigated some of the most famous celebrity deaths in recent history, including those of President John F. Kennedy, Marilyn Monroe and Diana, Princess of Wales. He has also written two novels. He divides his time between the UK and LA.