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 — an...

Homeland Security Secretary Kristi Noem said the entire southern border wall will be painted black, so it will get hot in the sun and "make it even harder for people to climb."

During Trump's first term, building the wall was a central focus of his hardline immigration policy.