Julian Borger is the Guardian's World Affairs Editor, based in Washington. He covered the Bosnian war for the BBC and the Guardian and returned to the Balkans to report on the Kosovo conflict in 1999. He has also served as the Guardian's Middle East correspondent and its Washington Bureau Chief. Borger was part of the Guardian team that won the 2014 Pulitzer Prize for public service journalism, for its coverage of the Snowden files on mass surveillance. He was also in the team awarded the 2013 Investigative Reporters and Editors (IRE) medal and the Paul Foot Special Investigation Award in the UK. He won the One World Media Press Award in 2016 for a feature story on the investigation of war crimes in Syria. His book The Butcher's Trail: How the Search for Balkan War Criminals Became the World's Most Successful Manhunt was published by Other Press in 2017.