Season 12, Episode 3 Death on the Railroad
First Aired: May 8, 2013
An investigation into the 1832 deaths of 57 Irish laborers who were laying railroad tracks in Pennsylvania. Cholera was blamed at the time, but modern forensic science sheds light on what really happened.
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- Premiered: May 15, 2000
- Rating: TV-PG
- Premise: Scientists seek to uncover celebrated mysteries of the past in this occasional British series. (more)