In a video recording, the former Texas congressman promises to launch "the greatest grassroots campaign this country has ever seen."
In a new interview with Fox News, senior adviser Stephen Miller signals that the president intends to follow through on his declaration.
With the president's national emergency declaration issued Friday morning, legal scholars argue that there's no time to lose.
The spending measure is expected to include $1.4 billion for new barriers in Texas' Rio Grande Valley, among other border security measures.
Details are yet to be released, but the agreement is expected to provide $1.4 billion for new barriers along the southern border.
Risking yet another government shutdown, the president is making a renewed push to secure funding for his long-promised wall.
Author and playwright Octavio Solis discusses his latest book and the humanitarian crisis unfolding in his hometown of El Paso, Texas.
The errors made it appear the department had solved more cases than it had, reveals an audit prompted by work by Newsy, Reveal and ProPublica.
The former mayor of San Antonio has been a vocal critic of Donald Trump.