The California Gold Rush of the mid-1800s did more than just move hundreds of thousands of people across the continent -- it also convinced these people that they, too, could strike it rich. This optimism attracted con artists and scamsters like moths to the proverbial flame. Philip Arnold and John Slack were no different -- but when these two men started the diamond hoax, they had no idea just how far it would go. Tune in for part one of this special two-part episode.

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