The homeland security secretary took heat over a move that critics described as "straight out of the Wile E. Coyote playbook."

The homeland security secretary took heat over a move that critics described as "straight out of the Wile E. Coyote playbook."

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.