The death of UN Secretary-General Dag Hammarskjöld remains one of the biggest mysteries of the twentieth century. Journalist and author Michela Wrong talks to author Susan Williams about ‘Who Killed Hammarskjöld?’, Susan’s thrilling book which investigated this suspicious death and sparked an ongoing UN investigation.Order Susan's book today at: https://www.hurstpublishers.com/book/who-killed-hammarskjold-2/