Inside the Massacre at Afghan Compound

Officials are painting the weekend killings at the United Nations mission in northern Afghanistan’s largest city–which sparked cascading violence across the nation–as the handiwork of a small band of insurgents that used a protest against a Quran-burning as cover for a murderous plot: but a Wall Street Journal reconstruction of Friday’s assault, based on unreleased videos, interviews with demonstrators and the UN’s own recounting of events, shows a more complex picture and indicates that ordinary Afghan demonstrators played a critical role in the attack.