I am not 100% sure but this is very similar to the Sarin Gas attack in the Tokyo subway.
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PRETTY POISON
"The Bedford Incident" (1965).
As far as the world knows, no there won't be. If there ever were to be a movie, it would most likely be announced at Maria's website: www.mariavsnyder.com.
mars attack
I know it was used in the 1980's movie A Night in Heaven