Defense Secretary Pete Hegseth and Thomas D. Homan, President Trump’s border czar, toured areas near Mexico. By Reyes Mata III and Eric Schmitt Reyes Mata III reported from the southwestern U.S.

Ahead of the inauguration, migrant shelters south of the Rio Grande are far from full, a reflection of the tougher measures imposed on both sides of the border. Ahead of the inauguration, migrant ...

Military units from across the country are scrambling to get in place along the southern border following President Donald Trump's order earlier this week, and U.S. aircraft have already begun flying ...

Lt. Col. Phillip Mason stood on a narrow peninsula in early April just west of downtown San Diego, overlooking the coastal border between the U.S. and Mexico as a seasonal fog obscured the view. Mason ...