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NOGALES, MEXICO - MARCH 05: Deported immigrant Jorge Dariel pauses from work at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. He said he had been working in construction in Arizona for about 3 years when he was apprehended by U.S Customs and Border Protectino agents and sent back to Mexico. About 30 families, including Jorge, live at the Tirabichi garbage dump, searching for recyclables to sell for a living. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: A former undocumented immigrant who was deported from the United States sorts recyclables at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Recyclable collectors weigh a sack filled with plastic bottles they have collected for sale at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: People walk past homes near the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live inside the Tirabichi garbage dump, searching for recyclables to sell for a living. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: A family cooks a plate of beans and cheese in their modest home inside the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Some are formerly undocumented workers deported back to Mexico to the United States. Many have received protective work gloves from the nearby non-profit Home of Hope and Peace, which plans to further expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Children arrive for a free lunch at the Home of Hope and Peace kitchen on March 5, 2013 in Nogales, Mexico. The non-profit organization feeds some 100 school children each day, many of whom's parents work at the nearby Tirabichi garbage dump, picking out recyclables for a living. Some of them were undocumented workers who were deported from the United States to Mexico. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Children receive a free lunch at the Home of Hope and Peace kitchen on March 5, 2013 in Nogales, Mexico. The non-profit organization feeds some 100 school children each day, many of whom's parents work at the nearby Tirabichi garbage dump, picking out recyclables for a living. Some of them were undocumented workers who were deported from the United States to Mexico. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Children receive a free lunch at the Home of Hope and Peace kitchen on March 5, 2013 in Nogales, Mexico. The non-profit organization feeds some 100 children each school day, many of whom's parents work at the nearby Tirabichi garbage dump, picking out recyclables for a living. Some of them were undocumented workers who were deported from the United States to Mexico. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Children leave the Home of Hope and Peace kitchen after eating a free lunch on March 5, 2013 in Nogales, Mexico. The non-profit organization feeds some 100 school children each day, many of whom's parents work at the nearby Tirabichi garbage dump, picking out recyclables for a living. Some of them were undocumented workers who were deported from the United States to Mexico. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Former undocumented immigrant Arturo Santana sits in front of his modest home at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. He said he had been living and working in Des Moines, Iowa when he was picked up and deported by U.S. Customs and Border Protection agents in 2010. He said he still has 3 children living there with their mother. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Concepcion Olais sorts through recyclables he found at the Tirabichi landfill on March 5, 2013 in Nogales, Mexico. About 30 families, including Concepcion, live at the dump, searching for recyclables to sell for a living. He and others have received aid from the non-profit Home of Hope and Peace, which plans to expand it's assistance to the dump's impoverished populace in the future. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Jorge Dareil burns the plastic off copper wiring he scavenged at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families, including Carlos, live at the landfill, searching for recyclables to sell for a living. They have received aid from the non-profit Home of Hope and Peace, which plans to expand it' assistance to the dump's impoverished populace in the future. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Deported immigrant Jorge Dariel sorts copper he stripped from wiring that he found at the Tirabichi landfill on March 5, 2013 in Nogales, Mexico. He said he had been working in construction in Arizona for about 3 years when he was apprehended by U.S Customs and Border Protection agents and sent back to Mexico. About 30 families, including Jorge, live at the dump, searching for recyclables to sell for a living. He and others have received aid from the non-profit Home of Hope and Peace, which plans to expand it's assistance to the dump's impoverished populace in the future. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: A family walks through the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Some residents there were undomumented immigrants who were caught and deported by the United States back to Mexico. While living at the dump, they have received aid from the non-profit Home of Hope and Peace, which plans to expand its assistance to the dump's impoverished populace in the future. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Siblings Mirna Guadelupe, 4, and Carlos Roman, 9, play with toys found at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Dona Petra washes her hands in front of her modest home inside the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families, including Dona Petra, who has worked at the landfill for decades, live at the landfill, searching for recyclables to sell for a living. Many have received aid from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Carlos Roman, 9, searches for recyclables at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families, including Carlos, live at the landfill, searching for recyclables to sell for a living. His mother said she didn't have enough money to buy him school supplies, so he stays at home to work with his family at the dump. Some residents there were undomumented immigrants who were caught and deported by the United States back to Mexico. They have received aid from the non-profit Home of Hope and Peace, which plans to expand it' assistance to the dump's impoverished populace in the future. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Clara Janet Morales and Omar Guzman embrace while waiting to purchase recyclables scavenged by workers at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)

NOGALES, MEXICO - MARCH 05: Carlos Roman, 9, plays with toys found at the Tirabichi garbage dump on March 5, 2013 in Nogales, Mexico. About 30 families live at the landfill, searching for recyclables to sell for a living. Many have received protective gloves from the nearby non-profit Home of Hope and Peace, which plans to expand its assistance to Tirabichi residents. (Photo by John Moore/Getty Images)