Aum Shinrikyo produced propaganda the police investigation into Aum after the sarin gas attacks,

The Tokyo subway sarin attack was an act of domestic terrorism perpetrated on 20 March 1995, in Tokyo, Japan, by members of the cult movement Aum Shinrikyo.

Aleph, formerly Aum Shinrikyo, is a Japanese new religious movement and doomsday cult founded by Shoko Asahara in 1987. It carried out the deadly Tokyo subway sarin attack in 1995 and was found to have been responsible for the Matsumoto sarin attack the previous year.