Gangs and drug cartels commit much of the violence in Belize, El Salvador, Guatemala, and Honduras. The guns they use are mostly from other countries, including the U.S. While reducing violence in the region is a U.S. policy goal, agencies' efforts—such as helping countries secure their borders—haven't focused on guns. The State Department plans to focus more on gun trafficking but lacks information to tailor its programs to each country's needs. For instance,... (GunPolicy.org)