Plot: A terrorist sets off an explosion that rocks the Federal Building and unleashes a toxic gas throughout the ventilation system. His purpose: to expose the Government's secret biological warfare weapon, a deadly virus that instantly attacks a person's adrenal system, causing them to become inhumanly aggressive, with an uncontrollable urge to kill each other.
Alternative Plot: After a terrorist releases an aggression-inducing toxin in their office, trapped but uninfected employees struggle to get out before the contaminated building is destroyed.
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