The Trump administration is painting the U.S.-Mexico border fence black to make the steel so hot migrants won't climb it. Homeland Security Secretary Kristi Noem unveiled the plans Aug. 19 in a news conference in Santa Teresa, New Mexico, while workers ran paint rollers up the steel bollards behind her.

Homeland Security Secretary Kristi Noem announced on Tuesday that the entire southern border wall will be painted black as part of the Trump administration’s efforts to increase the effectiveness of the wall as a deterrent.

WASHINGTON — Homeland Security Secretary Kristi Noem said Tuesday that the entire border wall along the southern border with Mexico is going to be painted black to make it hotter and deter illegal immigration — and she credited President Trump with the idea.

U.S. Homeland Security Secretary Kristi Noem said the nation's southern border walls will be painted black to better repel anyone who might try to scale them.

President Trump and Homeland Security Secretary Kristi Noem want the U.S.’s southern border wall painted black to keep people from climbing over it.