. MISSION, TX - APRIL 11:  U.S. Border Patrol and U.S. Air and Marine agents detain an undocumented immigrant after chasing him down near the U.S.-Mexico border on April 11, 2013 near Mission, Texas. A group of 16 immigrants from Mexico and El Salvador said they crossed the Rio Grande River from Mexico into Texas during the morning hours before they were caught. The Rio Grande Valley sector of has seen more than a 50 percent increase in illegal immigrant crossings from last year, according to the Border Patrol. Agents say they have also seen an additional surge in immigrant traffic since immigration reform negotiations began this year in Washington D.C. Proposed refoms could provide a path to citizenship for many of the estimated 11 million undocumented workers living in the United States. Photo by John Moore/Getty Images)
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