FILE - In this March 20, 1995 file photo, subway passengers affected by sarin gas planted in the central Tokyo subways are carried into St. Luke's International Hospital in Tokyo. The release of sarin gas into the subways by the Aum Shinrikyo doomsday cult killed 13 people. The March 20, 1995, attack shattered a sense of safety in daily life. (AP Photo/Chikumo Chiaki, File)