Il a été correspondant pour le "Sunday Times" en Italie depuis 1998.
1998 "Jackal: The Secret Wars of Carlos the Jackal"
2005 "Mussolini's Island"
2003 "City of secrets. : The Truth Behind the Murders at the Vatican "
2003 "Zoya's Story: An Afghan Woman's Struggle for Freedom", avec Rita Cristofari
2008 "The Last Godfathers: The Rise and Fall of the Mafia's Most Powerful Family"
2011 "Death in Perugia: The Definitive Account of the Meredith Kercher case from her murder to the acquittal of Raffaele... "
2012 "Vendetta: The Mafia, Judge Falcone, and the Quest for Justice"