In the wake of the Bali bombings, the Al Mukmin Islamic boarding school in Ngruki, Solo, has been put under the spotlight. A number of its alumni are linked to other acts of terrorism. Even its caretaker, Abu Bakar Ba\'asyir, is considered to be the spiritual leader of Jamaah Islamiyah (JI). What do they teach at Al Mukmin? And how extensive is JI\'s network?

Keywords :
Abu Bakar Baasyir , Jamaah Islamiyah , Terrorist ,