When did The Hot Zone Season 2 Episode 4 air?
The Hot Zone Season 2 Episode 4 aired on November 29, 2021.


The FBI learns more about Bruce Ivins’ peculiar past behaviors after an old colleague raises red flags. Ryker and Dani trace the origin of the letters.
Direct answers for episode-level questions and details.
The Hot Zone Season 2 Episode 4 aired on November 29, 2021.
This episode runs for approximately 47 minutes.
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