The man who set himself on fire Friday at the National Mall was John Constantino, 64, of Mount Laurel, N.J., police say. Constantino's family links the act to "a long battle with mental illness." Alex Brandon/AP hide caption

toggle caption Alex Brandon/AP

Police investigate the scene after a man set himself ablaze on the National Mall's lawn Friday afternoon in Washington, DC. The man did not survive his injuries, according to reports. Win McNamee/Getty Images hide caption

toggle caption Win McNamee/Getty Images

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