Catherine Marchi-Uhel, head of the International, Impartial and Independent Mechanism (IIIM), attends a news conference on Syria crimes at the United Nations in Geneva, September 5, 2017. © 2017 Reuters

Catherine Marchi-Uhel, head of the International, Impartial and Independent Mechanism (IIIM), attends a news conference on Syria crimes at the United Nations in Geneva, September 5, 2017. 

© 2017 Reuters