Sudan's leaders beefed up the rag-tag Janjaweed militia, transforming what had been a group of semi-organized raiders 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, it launched an all-out bid for power. We explain what happened, and why, in "The RSF Comes for Khartoum".