On a weekday morning, in an upscale area of Arlington, Va., the suburban silence is as thick as the foliage save for the hum of a leaf blower or an occasional car. In one of the homes, Sheba Velasco is thinking of snacks for the children. She's their nanny.
Then the phone rings.
Thousands of miles to the west, it's very early in the morning, and a young man has been caught trying to cross the U.S.-Mexico border.
"First of all" Velasco begins, "may I ask that he is from Nebaj? He speaks Ixil?"