The man who led authorities on a dangerous pursuit last week through Washington County is dead.  Fifty-five-year-old Shannon Alan Griffin brandished a gun at a man and his daughter on Wednesday in Hurricane before driving off.  He then led police on a high-speed chase toward Zion National Park, firing gunshots at passing cars in the process.  Griffin eventually fled into a neighborhood in Rockville and shot himself in the backyard of a home before police could stop him.  He was taken to St. George Regional Hospital for treatment where he died.

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