This week marked one month since the tragic bombings at the 2013 Boston Marathon. CNN's Anderson Cooper and Randi Kaye host an evocative documentary look at the iconic still photographs that vividly captured the unexplainable – images that portraying the horror and the heroism of the events.
Kaye meets the photographers of the most memorable images and interviews them about the stories behind the images and the people who they have immortalized on film.
Anderson Cooper Special Report: Back to Boston – Moments of Impact debuts Friday, May 17 at 10:00pm and 1:00am. It encores Saturday, May 18 at 8:00pm and 11:00pm. All times Eastern.