In late April, two opposing armed groups staged a series of attacks in eastern DRC, leaving at least 69 dead and prompting an intervention by MONUSCO, the UN’s peacekeeping force in the region. These groups are just two among an estimated 120 armed actors currently operating in the region. But what drives such a fragmented picture? To answer this question, we spoke to some of our expert investigators for insights into the complex array of belligerents in eastern DRC.