A new government report details the problems agencies face in fighting weapons trafficking. Here, thousands of guns lie on the ground before being destroyed in Ciudad Juarez, Mexico, in 2012.
Mexican drug kingpin Joaquin "El Chapo" Guzmán, seen here in a photo held by Mexico's attorney general, Arely Gomez, last July, has been recaptured, Mexico's president says.
Yuri Cortez/AFP/Getty Images
Children light candles during an overnight vigil at a protest camp in Juarez, Mexico, outside the manufacturing plant for the American-owned printer company Lexmark.
Mónica Ortiz Uribe/KJZZ
Eduardo Gonzalez is HIV positive. His mother died of AIDS; his father, who's HIV positive, is in jail. The boy lives at Eunime, a Tijuana facility for children whose parents have faced AIDS in their family and who may themselves be infected.
Courtesy of Malcolm Linton
The Aedes mosquito can spread Zika virus in addition to dengue fever and chikungunya virus. The virus was first spotted in the Americas in 2014.
Universal History Archive/UIG via Getty Images