By ADAM NOSSITER
Published: February 15, 2009
NEW ORLEANS — They are the men still rebuilding New Orleans more than three years after Hurricane Katrina, the head-down laborers from Honduras, Mexico and Guatemala who work on the blazing hot roofs and inside the fetid homes for a wad of cash at the end of the day.

But on the street, these laborers are known as “walking A.T.M.’s.â€