Mystery Gas Russian officials are still ducking questions about the nature of the debilitating gas that their commandos used to end the Moscow theater siege. But as NPR's David Kestenbaum reports, evidence is growing that it was a powerful opiate.
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Mystery Gas

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Mystery Gas

Mystery Gas

Mystery Gas

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  • <iframe src="https://www.npr.org/player/embed/827186/827187" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Russian officials are still ducking questions about the nature of the debilitating gas that their commandos used to end the Moscow theater siege. But as NPR's David Kestenbaum reports, evidence is growing that it was a powerful opiate.