The then head of Sudan's sovereign council, Gen. Abdel-Fattah Burhan, seated center-left, President of South Sudan Salva Kiir, seated center, and then President of Chad Idriss Deby, seated center-right, attend a ceremony to sign a peace deal between Sudan's transitional authorities and a rebel alliance, in Juba, South Sudan, on Oct. 3, 2020. In a report to the U.N. Security Council circulated Friday, Feb. 4, 2022, its experts say rebel groups in Darfur that signed a peace agreement with the Sudanese government in 2020 continue to operate in Libya and profit from opportunities provided by the civil war and lack of government control in the oil-rich north African nation. (AP Photo/Maura Ajak, File)