The International Criminal Court issued an arrest warrant for Mudacumura on 12 July 2012 for nine counts of war crimes, including attacking civilians, murder, mutilation, cruel treatment, rape, torture, destruction of property, pillaging and outrages against personal dignity, allegedly committed between 2009 and 2010 in the DRC.
FDLR Commander, exercising influence over policies, and maintaining command and control over the activities of FDLR forces, one of the armed groups and militias referred to in paragraph 20 of Res. 1493 (2003), involved in trafficking of arms, in violation of the arms embargo. Mudacumura (or staff) was in telephone communication with FDLR leader Murwanashyaka in Germany, including at the time of the Busurungi Massacre May 2009, and military commander Major Guillaume during Umoja Wetu and Kimia II operations in 2009. According to the Office of the SRSG on Children and Armed Conflict, he was responsible for 27 cases of recruitment and use of children by troops under his command in North Kivu from 2002 to 2007.