The Mormon religion was a movement that took its followers from east to west in the middle of the 19th Century, including a strong presence in Illinois before ending up in the Utah territory.

But a power vacuum caused a split, leaving two men leading two groups. One built his movement into a major force. The other has seemingly disappeared from history.

Was its leader a holy man or a con artist? Larry Potash digs deep in this Backstory segment.

And more on author Miles Harvey and his book “The King of Confidence” on his website

Backstory airs Saturday nights at 7 p.m. and Sunday nights at 11 p.m. on WGN-TV and on the WGN+ app, available on Amazon, Roku, Apple TV, and any smart TV.

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