A jailed Indonesian cleric accused of being the mastermind of a deadly 2016 terror attack in Jakarta went on trial on Thursday, Feb 15, and faces a possible death sentence if convicted. Aman Abdurrahman is charged with terrorism related offences over the attack that killed four bystanders in a busy downtown neighborhood. Four militants died after they were shot or blew themselves up. In December 2015, the Soufan Group estimated that some 900 Southeast Asian fighters, with a majority from Indonesia, had traveled to Syria and Iraq to join the fight.  As ISIS loses ground in consolidated territory, there is a mounting concern that Indonesian fighters will return home equipped with the training and combat experience, harnessed further by staunch ideological beliefs.