NEW Surveillance Footage Of Boston Marathon Bombing [VIDEO]

On Monday Federal prosecutors showed a video compilation of images, some never before seen by the public. They were taken from surveillance cameras along the route leading to the finish line of the Boston Marathon on April 15, 2013, the day three people were killed and more than 240 people were injured by hot shrapnel, nails and BBs from two pressure cooker bombs that had been hidden in backpacks and dropped amid the crowd.

source: [cnn]