Ikuo Hayashi

is a former AUM Shinrikyo member indicted for participation in the Sarin gas attack on the Tokyo subway.

Prior to joining AUM, Hayashi was a senior medical doctor with "an active 'front-line' track record" at the Japanese Ministry of Science and Technology (now a part of the Ministry of Education, Culture, Sports, Science and Technology, or MEXT in short). Himself the son of a doctor, Hayashi graduated from Keio University, one of Tokyo's top schools. He was a heart and artery specialist at Keio Hospital, which he left to become head of Circulatory Medicine at the National Sanitorium Hospital in Tokai, Ibaraki (north of Tokyo). Somewhere along the line Hayashi became disillusioned and decided to look beyond conventional medicine. He found AUM during his search [ [http://www.amazon.com/gp/product/product-description/0375725806/ Amazon.com: Underground: The Tokyo Gas Attack and the Japanese Psyche: Books: Haruki Murakami ] ] .

In 1990 he resigned his job and left his family to join AUM and become a renunciate. He was believed to be one of Shoko Asahara's favorites and was appointed the group's 'Minister of Health' where his responsibilities encompassed a broad range of activities from development of a balanced 'Aum diet' and supervision over 'Aum hospital' to experimentations with illegal hallucinogenic drug LSD (which reportedly was used in one of Aum's initiations somewhere in 2002).

Besides involvement in Tokyo subway sarin gas attack and LSD drug affair, Hayashi was convicted in a number of other crimes. For example, he assisted in kidnapping of Kiyoshi Kariya, the 68-year old brother of a 62-year old woman who planned to become a renunciate but went missing (Hayashi believed she was held against her will by her brother in order to prevent her from becoming a nun). Hayashi and several other men injected Kariya with a drug substance in order to find the whereabouts of the woman, but Kariya unexpectedly died, either from miscalculated dosage or weak physical health [ [http://www.crimelibrary.com/terrorists_spies/terrorists/prophet/19.html The Aum Supreme Truth Terrorist Organization - The Crime library ] ] . Previously Hayashi helped another Aum member to recover from a forced drug treatment administered by the follower's father (also in order to prevent him from becoming a renunciate).

During the Tokyo Sarin Gas attack Ikuo Hayashi and Tomomitsu Niimi were involved in delivering the sarin containers on the Chiyoda line as a part of the Tokyo sarin attacks. Niimi served as the driver. Hayashi, wearing a surgical mask of the type commonly worn by Japanese during cold and flu season, boarded the southwestbound 7:48am Chiyoda line train number A725K on the first car, and punctured his bag of sarin at Shin-Ochanomizu Station in the central business district. Two people were killed and 231 suffered serious injuries. Both perpetrators did not attempt to hide, returned to Aum facilities and were arrested several days later.

In court, the two reacted differently. While Niimi refused to cooperate with prosecution saying that the '4 meditative concentrations' he experienced under guidance of Asahara prevent him from testifying against his Guru, Hayashi accepted responsibility in the attack and testified in court. He was quoted as saying that he regrets that 'while he became a doctor in order to help, he used his skills to inflict sufferings'. He apologized to the victims and said that he views the death penalty as an appropriate punishment for his deeds. Niimi, while citing different reasons (loyalty to Asahara and Buddhist fatalistic ideas) also said that he would accept the capital punishment ('gladly').

Hayashi was sentenced to life imprisonment.

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