FILE - In this July 28, 2010, file photo, a U.S. border patrol vehicle drives along the U.S.-Mexico border fence near Yuma, Ariz., as seen from the outskirts of San Luis Rio Colorado, Mexico. The Border Patrol’s parent agency decided to continue allowing agents to use deadly force against rock-throwers and assailants in vehicles, despite recommendations of a government commissioned review to end the practice. (AP Photo/Guillermo Arias, File)