Sean Hodgson watched and worried as Robert Card, his best friend of 20 years and a fellow Army reservist, unraveled. But warnings he sent in September, six weeks before Card's attack, were dismissed.
From across the country, NPR member station visual journalists have documented events in their states and cities. These images represent some of the year's most remarkable stories.
The grim news of the mass shooting in Lewiston, Maine — and a spate of shootings over the weekend — has again cast a spotlight on the gun violence death rate in the U.S..
