The warning is a new sign of escalating tension between state and federal officials over Gov. Greg Abbott’s border security program, Operation Lone Star, and it comes as the governor is putting a wall ...

EAGLE PASS — From the razor wire-lined banks of the Rio Grande here, the bright orange buoys appear small. This is not to diminish them. Up close, the buoys menace with their sawlike discs. They push ...

Migrants who cross the Darién Gap face a perilous journey. They walk from the Colombian border to Panama as part of a longer trek to their ultimate destination, usually the United States. The Gap has ...