Sounds to me that the Head of DHS isn’t even going to try to do her job:
Department of Homeland Security Secretary Janet Napolitano, whose agency is charged with securing America’s borders, told an audience in Washington, D.C., in reference to the U.S.-Mexico border, “You’re never going to totally seal that border.”
And it also sounds to me that the Mayor of Philadelphia is obstructing Justice:
Mayor Nutter has expressed concern about the human rights of all immigrants, regardless of their legal status.
Well then, he should discuss that with President Calderone. Legal status. So he is going to shield criminals. Right? Sure does sound like it.
Daniel McAndrew 
You might not completely seal the border, but anything you do (especially putting ARMED troops there with orders to shoot anyone coming over the partially-built fence, or running trucks across the border) will be better than nothing at all.