Being outside with nature is where he felt most comfortable. That’s why Gary Michael Hilton targeted avid hikers in peaceful, wooded areas. But while he chose his victims carefully, he didn't give the same type of thought to getting away with his crimes.

If you’d like to take action on the climate or learn more about the topics covered in “Dark Green: Earth Crimes and Conspiracies,” visit www.spotify.com/darkgreenresources.

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