This photo, provided by a resident of Ciudad Mier who did not want to be identified, shows a burned-out police station in the town. A brutal turf war between the Gulf Cartel and the Zetas drug gang has led to an evacuation of the Mexican border town.
U.S. Border Patrol agents patrol the Rio Grande River, passing under the World Trade Bridge. Every 15 seconds one truck crosses the eight-lane bridge, which connects Laredo, Texas with the Mexican border town of Nuevo Laredo.
John Moore/Getty Images
In this Aug. 7 photo, a Mexican journalist protests the targeting of journalists by drug cartels and others in the country. The unrest has prompted some journalists to seek asylum in the U.S.