'Miracle Hunter' Michael O'Neill investigates religious shrine tied to the Virgin Mary

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/ Source: TODAY
By Donna Freydkin

“Miracle Hunter” Michael O’Neill investigated and studied the National Shrine of Our Lady of Good Help, a shrine in Wisconsin recognized by the Vatican as the only place in the U.S. in which the Virgin Mary has appeared. He talks with Megyn Kelly about what qualifies as a miracle, the Wisconsin shrine and what led him to become a miracle hunter.