Homeland Security Secretary Kristi Noem said Tuesday that the entire wall along the U.S.-Mexico border is going to be painted black to make it hotter and deter illegal immigration — an idea she said was "specifically at the request" of President Trump.

US Department of Homeland Security Secretary Kristi Noem has announced the nation’s entire southern border wall will be painted black, in an effort to make the structure too hot to scale when the sun is beating down on it.

President Donald Trump ordered the entire southern border wall to be painted black to stop migrants from crossing because it’ll be too hot to touch, according to Homeland Security Secretary Kristi Noem.

President Donald Trump’s wall at the southern U.S. border will be painted black in an attempt to make things worse for migrants crossing the border, Homeland Security Secretary Kristi Noem announced Tuesday, Axios reports.