Tokyo Metropolitan Police Department Public Security Bureau - PSB Cases

PSB Cases

• The PSB had been mobilized to investigate all Aum Shinrikyo facilities after the deadly sarin gas attack on the Tokyo subway. Following the discovery of an Aum cultist who had been employed by the Japanese Maritime Self-Defense Forces after sensitive military information had been leaked out, the PSB had investigated the matter. The PSB had been the leading agency to investigate reports that Aum Shinrikyo had acquired names of 3,000 Honda executives and sensitive data from government ministries and other important facilities via Aum-created software.

• An ex-Japanese Air Self-Defense Forces warrant officer had been investigated by the PSB for divulging military secrets under the Mutual Defense Assistance Agreement to a Russian GRU operative, who was identified as Aleksei Shchelkonogov.

• Three activists of the Tachikawa Jieitai Kanshi Tentomura had been said to be prisoners of conscience by Amnesty International when they had arrested by police with the PSB investigating them for conducting anti-war activities after illegally entering an SDF housing complex in Tachikawa.

• PSB agents had been involved in the arrest of former Cabinet Intelligence and Research Office official Toshihiko Shimizu, accused of providing classified data to a Russian embassy official, supposedly posing as a diplomat, under the National Public Service Law.

• The PSB had failed in securing a Russian man wanted for spying in Japanese territory as a suspected agent of the SVR since the 1960s when he left Japan in 1995 and reentered the country several times before being unaccounted for when the spy used a Japanese name to obtain a Japanese passport in Vienna.