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Greensboro

William Caviness, a firefighter from Greensboro, N.C., collapsed and died while running the 2011 Chicago Marathon (Credit www.active.com)

Autopsy Inconclusive For Firefighter Who Died Running Marathon

An autopsy on Monday was inconclusive in determining why a 35-year-old firefighter from Greensboro, N.C., collapsed and died while running the Chicago Marathon.

CBS Chicago–10/10/2011