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 — a...

U.S. Department of Homeland Security Secretary Kristi Noem announced Tuesday that President Donald Trump wants some 600-plus miles of the border barrier with Mexico painted black.

While Noem did not provide any more details on those projects, Texas authorities have previously installed floating barriers - large orange buoys - and fortified riverbank fencing guarded by state tr...