IN a video recording, Ali Imron, 37, once demonstrated how deftly he could assemble a bomb. The cables and the explosives were neatly arranged in a plastic container. He once described his participation in the October 12, 2002 bombing which killed 202 people as the "the deed of a patriot."

But Ali Imron is now a changed man. He is no longer a member of the Jemaah Islamiyah hardline movement, which vows to kill all kafirs (non-Muslims). Imprisoned f