BOSTON – APRIL 15: Women and children are evacuated from the scene on Boylston Street after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by Bill Greene/The Boston Globe via Getty Images)
BOSTON – APRIL 15: Women and children are evacuated from the scene on Boylston Street after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by Bill Greene/The Boston Globe via Getty Images)