Began with accusations that officials had buried wooden
巫蛊 (wūgǔ, witchcraft puppets) to curse the emperor. Court official Jiang Chong (
江充) used the panic to frame Crown Prince Liu Ju, who rose in rebellion, was defeated, and committed suicide. Emperor Wu later regretted the purge and built a
思子宫 ('palace of longing for my son') in remembrance.