Who Poisoned Viktor Yushchenko? Investigators are trying to determine who poisoned Ukrainian presidential candidate Viktor Yushchenko with a potent dose of a chemical called dioxin. NPR's Alex Chadwick talks with John Trestrail, a toxicologist who has served as an expert in many criminal poisoning investigations.
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Who Poisoned Viktor Yushchenko?

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Who Poisoned Viktor Yushchenko?

Who Poisoned Viktor Yushchenko?

Who Poisoned Viktor Yushchenko?

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  • <iframe src="https://www.npr.org/player/embed/4229470/4229471" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Investigators are trying to determine who poisoned Ukrainian presidential candidate Viktor Yushchenko with a potent dose of a chemical called dioxin. NPR's Alex Chadwick talks with John Trestrail, a toxicologist who has served as an expert in many criminal poisoning investigations.

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