National Guard soldiers stand watch near Nogales, Ariz., over the border with Mexico. President Obama deployed 1,200 troops to the border states in July, nearly half in Arizona. The state is the busiest in the nation for illegal border crossings.
Relatives of Edelmiro Cavazos, mayor of Santiago, stand next to his coffin at his funeral in Santiago, Mexico, on Aug. 19. Cavazos was abducted, tortured and then murdered, allegedly by some of his own police officers. He is one of 11 Mexican mayors killed this year.