U.S. Border Patrol agents patrol the Rio Grande River near Laredo, Texas in 2008. Stephanie Guerra, 26, and Ruben Alfonso Fierro, 27, defied the swirling currents of the Rio Grande and boarded a Zodiac raft that took them from the Mexican border town of Nuevo Laredo to the United States.
U.S. Border Patrol agents patrol the Rio Grande River near Laredo, Texas on August 7, 2008