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Michael Craig Ruppert (February 3, 1951 – April 13, 2014) was an American author, a former Los Angeles Police Department officer and investigative journalist and peak oil theorist.

Until 2006, he published and edited From The Wilderness, a newsletter and website covering a range of topics including (international) politics, the C.I.A., peak oil, civil liberties, drugs, economics, corruption and 9/11 alternative theories. He is also the author of Crossing The Rubicon: The Decline of the American Empire at the End of the Age of Oil and was the subject of the 2009 documentary film Collapse.

He passed away on April 13th, 2014 after committing suicide, and was found dead in his home in Napa County, California.

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