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Undocumented immigrants from Mexico arrested in the United States may be getting deported deeper into Mexico instead of to border cities.

Homeland Security Secretary Janet Napolitano and Mexican Interior Secretary Alejandro Poire signed a memorandum aiming for safer and more humane treatment when transporting undocumented immigrants back to Mexico after being apprehended in the United States.

Typically, migrants are released in border cities. However, very often they make dangerous repeat attempts to re-enter the United States. DHS officials hope that by making deeper transports into Mexico, migrants will less likely make the dangerous illegal crossings into the U.S.

DHS also warns that during the summer months it is much more risky to cross the border illegally, due to extreme heat in the desert.

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