But Turkey wants to make sure the case does not disappear from the world's attention. Its investigators launched a search of two villas outside Istanbul on Monday. They say they're owned by a Saudi businessman close to the Crown Prince. But will this make any difference? And Can Turkey successfully push for an international investigation?
Presenter: Adrian Finighan | Guests: Vehbi Baysan - Professor of History at Ibn Haldun University; Matthew Bryza - Senior Fellow at Atlantic Council and a former US Ambassador; Simon Mabon - Senior Lecturer in International Relations at Lancaster University in the UK