 From 2008, Farrell wrote the Baghdad Bureau blog which was renamed as "At War" in 2009 and expanded, becoming "a reported blog from Afghanistan, Pakistan, Iraq and other conflicts in the post-9/11 era".Farrell ran the At War blog from the field from 2009 until early 2012, when he handed over to editors based in New York.On 5 September 2009, while Farrell and his interpreter Sultan Munadi were in a village south of Kunduz, Afghanistan, investigating reports of civilian casualties in a NATO strike on two fuel tankers that had been hijacked by the Taliban they were kidnapped.