86
      Wednesday
      85 / 67
      Thursday
      83 / 67
      Friday
      84 / 64

      Boston Marathon bombing: A look back

      Police clear the area at the finish line of the 2013 Boston Marathon as medical workers help injured following explosions in Boston, Monday, April 15, 2013. (AP Photo/Charles Krupa)
      Police clear the area at the finish line of the 2013 Boston Marathon as medical workers help injured following explosions in Boston, Monday, April 15, 2013. (AP Photo/Charles Krupa)
      Take an interactive look back at the April 15, 2013 bombing of the Boston Marathon.