Communities with mass shootings face 'reverberating loss'

Gun violence and the lasting impacts of mass shootings in the U.S. have consumed much of the nation in recent weeks, after the massacres in New York, Texas, Oklahoma, and elsewhere. The New York Times' Elizabeth Williamson, author of “Sandy Hook: An American Tragedy and the Battle for Truth," joins Amna Nawaz to discuss how these attacks affect communities for years afterward.