Except for the wan and skittery illumination of a few cell-phone screens and the intermittent flash of lightning, the inside of the store is very dark. The power went out several minutes ago, and though the sun should still be shining, the storm has blotted it out. Ruben orders the newcomers to join the others crouched against the back wall, using words that, in another context, could have been the lyrics to a disco song.
"Everybody back, back, back, way back!" he says. "Everybody get down, all on the ground!"