'We have the case files, we have the evidence': Head of UN Mechanism on Syria war crimes

Seven weeks after the fall of Bashar al-Assad, Syria still faces uncertainty over its future as the transitional government attempts to bring order to a country wracked by more than 13 years of civil war. But Syrians are also looking to the past and for answers about the fate of loved ones who disappeared under the Assad regime or during the war. FRANCE 24’s Oliver Farry speaks to Robert Petit, head of the International, Impartial and Independent Mechanism investigating serious crimes in Syria. The Mechanism was established by the United Nations in December 2016 to investigate crimes committed in the country.