Across the U.S., migrants say they face cramped quarters, soap and disinfectant shortages, and violent threats from guards — When the guards came in on May 6 to tell the detainees that someone in their unit had died, Alberto had already gone 17 days without eating. Dozens of others in the Otay Mesa Detention Center had done the same, he said. The detainee, a Salvadoran named Carlos Escobar-Mejia who…

Almost every technology developed at the border in the last two decades now exists in local police departments — Border Patrol’s electronic eyes will spot you long before you spot them. If you walk along the United States border in remote stretches of New Mexico desert, or in the grasslands between North Dakota and Canada, you might not hear the buzz of what could be flying above you: A…