U.S. Agents Take Undocumented Immigrants Into Custody Near Tex-Mex Border

MISSION, TX - JULY 24: Central American immigrants await transportation to a U.S. Border Patrol processing center after crossing the Rio Grande from Mexico into the Texas on July 24, 2014 near Mission, Texas. Tens of thousands of undocumented immigrants, many of them families or unaccompanied minors, have crossed illegally into the United States this year and presented themselves to federal agents, causing a humanitarian crisis on the U.S.-Mexico border. The Rio Grande Sector of the border has the heaviest traffic of illegal crossings of the entire U.S.-Mexico border. (Photo by John Moore/Getty Images)