Days That Shaped America: Boston Bombing

The most prestigious race in the country is also Boston's most popular event. Crowds turn out by the thousands to cheer on the runners of the Boston Marathon. When the Tsarnaev brothers planted bombs at the 2013 race, their horrific act killed three people, and maimed many more. Hear from one of the wounded, an on-scene medic, a trauma surgeon, and law enforcement officers who experienced the sudden terror of this cold-blooded act, and the pursuit of justice that followed.