[3] Fairweather was a freelance correspondent embedded with British troops during the 2003 invasion of Iraq.
He was a stringer for The Daily Telegraph in Baghdad, where he met his wife Christina Asquith, a journalist working on contract to cover education issues in Iraq for New York Times.
[3] He later contributed freelance articles from Afghanistan to the PostGlobal blog hosted by The Washington Post.
[4] His book The Volunteer, a biography about Witold Pilecki, a Polish resistance fighter who infiltrated Auschwitz during the Holocaust and Second World War, won the 2019 Costa Book Award.
He made up a group of people who smuggled news to get them out from the camp"[7] The Good War was a finalist for the 2015 Lionel Gelber Prize.