Five years into a conflict that has left 80% of Yemen’s population in need of humanitarian aid, the UN has issued a broad and scathing report detailing violations of international human rights and humanitarian law by all sides in the conflict. A year of investigations by the Group of International and Regional Eminent Experts on Yemen found a disturbing pattern of violations ranging from arbitrary detention to sexual violence to child recruitment—and “a pervasive lack of accountability” for these violations.