WASHINGTON — The Defense Department's internal watchdog plans to review a recent Army Corps of Engineers decision to award a $400 million contract for border wall construction to a North Dakota ...

About $1 billion in federal contracts have recently been awarded to modify sections of barriers on the U.S. border with Mexico ... take up to 100 days from the award date.

US Customs and Border Protection announced the contract Wednesday. Construction will begin in February. CBP already announced a $145 million award for another 6 miles (10 kilometers) in South ...