He had come to Iglesia Cristiana La Viña Burnsville, about 15 miles south of the Twin Cities, to pick up food for families who are too afraid to go out—some have barely left home since federal immigration agents deployed to Minnesota two months ago. The church was filled with pallets of frozen meat and vegetables, diapers, fruit, and toilet paper. Outside, a man wearing a leather biker vest bearing the insignia of the Latin American Motorcycle Association, his blond beard flecked with ice crystals, directed a line of cars through the snow.