Sudanese leaders had gradually beefed up the rag-tag Janjaweed militia, transforming what had begun as groups of semi-organized raiders on horseback into the RSF - a fully equipped adjunct to the Sudanese military. But after decades of expanding its operational capabilities, the RSF decided it wanted to be more than the tail that wags the dog. In 2023, the RSF launched an all-out bid for power that plunged Sudan into its third civil war. We explain what happened, and why, in "The RSF Comes for Khartoum".