In this Monday, March 25, 2013 photo, Border Patrol agent Richard Gordon walks the border fence in the Boulevard area east of San Diego looking for signs that reveal movement of illegal immigrants in the rugged, mountainous terrain in Boulevard, Calif.
In this Monday, March 25, 2013 photo, Border Patrol agent Richard Gordon walks the border fence in the Boulevard area east of San Diego looking for signs that reveal movement of illegal immigrants in the rugged, mountainous terrain in Boulevard, Calif. Lenny Ignelzi AP
In this Monday, March 25, 2013 photo, Border Patrol agent Richard Gordon walks the border fence in the Boulevard area east of San Diego looking for signs that reveal movement of illegal immigrants in the rugged, mountainous terrain in Boulevard, Calif. Lenny Ignelzi AP