Police and soldiers in Guatemala prepare to enter a building during a U.S. Army-supported evaluation exercise to train the Guatemalan forces to be better prepared to combat illegal drug trafficking operations, Jupiata, Guatemala, June 16, 2016. U.S. Southern Command officials highlighted at the April 24-25, 2017, Central America Security Conference in Cozumel, Mexico, how the United States is working to strengthen capabilities and hone skills of its Central American partners to confront the well-financed and well-equipped transnational criminal groups. Air Force photo by Tech. Sgt. Trevor Tiernan