In early 2016, Cammaert led a Headquarters-Board of Inquiry on the circumstances of the clashes that occurred in the United Nations Mission in South Sudan (UNMISS) protection of civilians site in Malakal, South Sudan, on 17–18 February 2016. Later that year, he was appointed by United Nations Secretary-General Ban Ki-moon to lead an independent special investigation into the violence in Juba, South Sudan, in July 2016, and the response of the UNMISS.[4]