And among them Abu Tahir Muhammad bin Ali bin Bilal: His story and what happened between him and Abu Ja’far Muhammad Ibn Uthman Amari, may Allah lighten his visage, is well-known. He seized the goods of the Imam, which were in his hands and refused to deliver them, and claimed that he was the representative. The community turned away from him and invoked damnation for him and the famous letter came from the Master of the Age .