Dr. Death's Invisible Poison
from CatchingKillers Hosted by Smithsonian Channel
With Michael Swango in custody for fraud, it's up to the scientists to figure out how he killed his patients - before his sentence is up and he gets another chance to escape.
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How long is this episode of CatchingKillers?
This episode is 3 minutes long.
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This episode was published on May 23, 2012.
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