The British government covered up the accidental death of Ronald Maddison from testing they conducted regarding the lethal dose of this substance. For 10 points each:
[10h] Name this substance which the U.K. experimented adding triethylamine to. Gulf War syndrome is usually attributed to oil fires or this substance.
ANSWER: sarin
[10m] Triethylamine was experimented with by this Japanese cult, which used sarin to attack the city of Matsumoto.
ANSWER: Aum Shinrikyo [or Aleph]
[10e] Aum Shinrikyo also used sarin to carry out a 1995 attack on this city's metro.
ANSWER: Tokyo
<Fredrick Morlan , History - Other - Cross>