A video shows the Texas National Guard installing razor wire on its border with New Mexico to prevent illegal immigrants from crossing.

U.S. Border Patrol encounters with unauthorized migrants have fallen drastically since June. Still, Texas Gov. Greg Abbott remains concerned about the 58,000 or so that are getting through the Rio Grande or the border wall each month.

Which Mexico are you? New Mexico furious after Texas installs razor wire along its border - Texas’ latest move is a ‘political stunt’ that will have ‘will have no meaningful impact on our nation’s broken immigration system,

The expansion came three days after Texas Gov. Greg Abbott said the state would triple its razor wire border barriers.

"Gov. Abbott's latest political stunt at the border will have no meaningful impact on our nation's broken immigration system" said governor Lujan Grisham