Emerging evidence of systematic killings in the Sudanese city of el-Fasher have prompted human rights and aid activists to describe the civil war between the paramilitary Rapid Support Forces (RSF) and the military as a "continuation of the Darfur genocide". The fall of el-Fasher, in the Darfur region, after an 18-month RSF siege brings together the different layers of the country's conflict - with echoes of its dark past and the brutality of its present-day war. RSF emerged from the Janjaweed,