Acting Administrator Cameron Hamilton has not been an emergency manager, prompting an inquiry by the Government Accountability Office.

"The government of the United States initiated the covering ... This is the first tunnel discovered recently in El Paso.

The South Dakota governor will oversee a sprawling agency that is essential to national security and a clampdown on illegal ...

"The government of the United States initiated ... This is the first tunnel discovered recently in El Paso. Homeland Security Investigations officials described the tunnel as being about 4-feet ...