Japanese cult leader Shoko Asahara and six top aides were chargedwith murder in theMar. 20 gas attack on Tokyo's subwaysthat killed 12 people. Police had held the cult guru for three weeks while they grilled him in an attempt to get as much information as possible before filing charges. Now the real drama begins: a trial that experts say could go on for decades. Japanese trials don't have daily sessions; hearings are spread out over months. But the outcome is almost certain. Over 99 percent of people tried in Japan are convicted.