Support WBURAfter 25 Years In The Dark, The CDC Wants To Study The True Toll Of Guns In AmericaPlay07:18Download AudioEric WesterveltSeptember 29, 2021 ShareThe conversation around gun violence in the U.S. usually focuses on homicides and mass shootings, and there is little information about the public health, financial, psychological and social toll of nonfatal gun injuries. (Nicole Xu for NPR)