sentences:  A key role was played by Kati Marton, an author and journalist married to the US envoy Richard Holbrooke, who was negotiating with the Serbian president Slobodan Milošević to end the Bosnian War.Marton, who was at the time the chairwoman of the Committee to Protect Journalists, intervened repeatedly during the talks that led to the Dayton Agreement to persuade Milošević to use his influence to secure Rohde's release.The US Secretary of State Warren Christopher was also involved in pressing for Rohde's release at the Dayton talks.