Blackhawk helicopters scattering the hordes. Cash for bribes. And the unimaginable numbers gathering as the clock ticks down

To get this far, they have survived weeks on the road, and the attentions of robbers, coyotes and cops.

Now they just have to navigate Alexander and his checklist.

If he doesn’t have their name, they’re not getting in, he tells the Venezuelans, Colombians, Hondurans and so many others lining up to cross the muddy Rio Grande river.