In June 1994 and March 1995, the Japanese terrorist group Aum Shinrikyo carried out two separate chemical attacks using a homemade version of the non-persistent nerve agent sarin. Before the attacks, Aum Shinrikyo was a religious organization focused on the end of the world and under close surveillance by authorities due to a long list of illegal activities. The first major attack took place in the city of Matsumoto and the second in the Tokyo subway (Embar-Seddon, A & Pass, A. 2009). This article will cover the history of the attacks, the terrorist group's motivations; it will also examine the medico-legal aspects, treatment and consequences. He will also discuss the after-effects of the attacks on the victims of both incidents. Finally, the imminent fate of the ringleaders will be addressed as the final trials of the individuals involved in the attacks draw to a close. The Aum Shrinikyo Sarin Attacks On March 22, 1995, five members of the religious group Aum Shrinikyo ("Supreme Truth") boarded subway trains in Toyko, Japan. Between them, they carried eleven Sarin bags, they managed to pierce eight of them. The results were devastating with more than 11 people killed (the total has since risen to 13) and 3,796 people injured (this total has also risen to 6,252). It was the penultimate act of a religious sect that had become a terrorist organization whose goal was not to be victims of the apocalypse but to provoke it (Danzig et al., 2011). Before March 1995, this organization racked up a long list of crimes, but it is the one for which it is most remembered. The history of Aum Shrinikyo before Sarin Aum Shrinikyo was founded in February 1984 by a thirty-year-old man... ... middle of paper ...... action of a toxic gas. "Works Cited Danzig, R., Sageman M., Leighton, T., Hough L., Yuki, H., Kotani, R. et al. (2011) Aum Shinrikyo: Insights into how terrorists develop biological weapons and Washington: Center for a New American Security. Embar-Seddon, A & Pass, A. (2009) Sarin, 3, 893-896. , O., et al. (2007). A decade after the Tokyo Sarin attack: a review of neurological monitoring of victims. Military Medicine, 172(6), 607-610. ., Nakajima, T., Shimizu, M., Hirabayashi, H., Okudera, H. et al. (1995) Sarin poisoning in Matsumoto, Japan. Doctor's Guide to Terrorist Attacks. Totowa, NJ: Humana Press. Ryall, J. (January 16, 2014) Japanese Nerve Gas Victims Wait for Justice; National Post, p.9.