David Aguilar, Director of the U.S. Border Patrol, speaks during a news conference where the Department of Homeland Security and the Bureau of Alcohol, Tobacco, Firearms, and Explosives are holding a summit regarding drug trafficking and weapons, Tuesday, Nov ...

In this May 18, 2006 file photo, Homeland Security Secretary-designate, Ariz. Gov. Janet Napolitano, second from left, walks with, from left, Ron Colburn, Yuma Sector chief; President Bush and Border Patrol Chief David Aguilar during a tour of the Yuma ...