The additional concertina wire can be seen on the border fence in Nogales, Ariz, on February 4, 2019. U.S. Army troops were back in downtown Nogales over the weekend to add more coils of the wire.

The Department of Homeland Security is putting 17 miles of river water barrier in the Rio Grande in Cameron County in deep ...

Approximately 170 Marines from Camp Pendleton have been deployed to Campo to install concertina razor wire along the border wall.