SOCORRO, Texas (AP) — In a Texas town at the edge of the Rio Grande and a tall metal border wall, rumors swirled that federal immigration officials wanted to purchase three hulking warehouses to transform into a detention center. As local officials scrambled to find out what was happening, a deed was filed showing the Department of Homeland Security had already inked a $122.8 million deal for the 826,000-square-foot (76,738-square-meter) warehouses in Socorro, a bedroom community of 40,000