The first independent and objective investigation into the murder that led to the outbreak of the First World War. Based on a huge amount of little-known or completely unknown materials from rare Serbian and German sources (including even the Belgrade Gestapo archive), the author fully reveals the reasons and background of this event. Who and why was it beneficial to “remove” Archduke Franz Ferdinand, what role did they play in this event? intelligence services, secret societies and masons? A fascinating investigation reads like an exciting detective story and will be of interest to anyone interested in history.