Border Bill

Arizona Sens. Jeff Flake, at podium, and John McCain share a laugh during the news conference at which they and six other senators unveiled a sweeping, bipartisan immgration reform bill. [Connor Radnovich/Cronkite News]

Border Shooting

U.S. Border Patrol agents lift the casket holding slain agent Nicholas Ivie during the funeral at The Church of Jesus Christ of Latter Day Saints in Sierra Vista, Ariz., on Monday, Oct. 8, 2012. (AP Photo/Arizona Daily Star,Mike Christy )

Border Shooting

Mounted officers line the route during the funeral procession for slain U.S. Border Patrol agent Nicholas Ivie on Monday, Oct. 8, 2012, at the Church of Jesus Christ of Latter Day Saints in Sierra Vista, Ariz. The head of the U.S. Border Patrol agents' union says the agent was killed when he apparently opened fire on two colleagues thinking they were armed smugglers and was killed when they returned fire. (AP Photo/Brian Skoloff)

Border Shooting

Hundreds gathered at the funeral for U.S. Border Patrol agent Nicholas Ivie on Monday October 8, 2012 in Sierra Vista, Ariz., including brother and fellow agent Joel Ivie, left, and father and stepmother Doug and Donetta Ivie. (AP Photo/Arizona Daily Star, Benjie Sanders)

Napolitano Border

Homeland Security Secretary Janet Napolitano, speaking at at Woodrow Wilson Center luncheon, said intelligence sharing between the U.S. and Mexico is enhancing security along the border and speeding bofder crossings.

Border Shooting

In this photo provided by U.S. Customs and Border Protection, law enforcement officers gather at a command post in the desert near Naco, Ariz., Tuesday, Oct. 2, 2012, after a Border Patrol agent was shot to death near the U.S.-Mexico line. The agent, Nicholas Ivie, 30, and a colleague were on patrol about 100 miles from Tucson, when shooting broke out shortly before 2 a.m., the Border Patrol said. (AP Photo/U.S. Customs and Border Protection, Gabriel Guerrero)

Border Patrol

A Border Patrol agent drives his white and green vehicle, above, along the border fence as cars and people cross a road the runs alongside the international border in Tijuana, Mexico, Friday, June 22, 2012. Former Border Patrol agents Raul Villarreal and his older brother and fellow former agent, Fidel Villarreal, are charged with smuggling hundreds of Brazilians and Mexicans to the United States in Border Patrol vehicles. Federal prosecutors say the brothers were tipped they were under investigation in June 2006, prompting them to empty their retirement accounts and flee to Mexico. (AP Photo/Gregory Bull)

Border technology

A new plan to fill in the gaps in SBInet calls for a mix of technologies – fixed towers, mobile systems, handheld devices and more – that would better fit needs on particular stretches of the border, but the GAO is questioning the numbers behind the plan. (Cronkite News Service photo by Aldo Vazquez)

Border technology

The Strategic Border Initiative (SBInet) was supposed to line the Southwest border with towers collecting radar and camera information, but the project was dropped early this year after repeated delays, cost overruns and technical problems. (Cronkite News Service photo by Aldo Vazquez)

Border panel

Members of the Joint Border Security Advisory Committee include, from left, Pinal County Sheriff Paul Babeu, state Sen. Al Melvin, R-Tucson, Maricopa County Sheriff Joe Arpaio and state Rep. Russell Jones, R-Yuma.

Border map

A new report predicts that sharp reductions in U.S.-Mexico border-crossing apprehensions, shown above, will continue as security is tightened on the border.

Borders Books

In this Feb. 16, 2011 file photo, customers walk into a Borders Books & Music store, in Ann Arbor, Mich. Borders Group teetered on the brink of liquidation Thursday, July 14, 2011, after an offer from a private-equity investor disintegrated.

Borders Books

In this Feb. 16, 2011 file photo, customers walk into a Borders Books & Music store, in Ann Arbor, Mich. Borders Group teetered on the brink of liquidation Thursday, July 14, 2011, after an offer from a private-equity investor disintegrated.

Borders Books

In this Feb. 16, 2011 file photo, customers walk into a Borders Books & Music store, in Ann Arbor, Mich. Borders Group teetered on the brink of liquidation Thursday, July 14, 2011, after an offer from a private-equity investor disintegrated.

Borders Books

In this Feb. 16, 2011 file photo, customers walk into a Borders Books & Music store, in Ann Arbor, Mich. Borders Group teetered on the brink of liquidation Thursday, July 14, 2011, after an offer from a private-equity investor disintegrated.

Border trucking

A semi truck waits to cross the United States-Mexico border at San Luis, Ariz., in this file photo.

Mexico border

Ila Borders

Gilbert firefighter medic Ila Borders, shown, Tuesday, March 1, 2011 at her station in Gilbert.

Ila Borders

Gilbert firefighter medic Ila Borders, shown, Tuesday, March 1, 2011 at her station in Gilbert.

Ila Borders

Gilbert firefighter medic Ila Borders, shown, Tuesday, March 1, 2011 at her station in Gilbert.

Ila Borders

Gilbert firefighter medic Ila Borders, shown, Tuesday, March 1, 2011 at her station in Gilbert.

Ila Borders

Gilbert firefighter medic Ila Borders, right, shown, Tuesday, March 1, 2011 at her station in Gilbert with engineer Andy Larkin,from left, firefighter Tony Maturan and Captain Bob Badgett.

Borders Bankruptcy

In this Dec. 7, 2010 photo, a customer leaves a Borders bookstore in Palo Alto, Calif. Bookseller Borders, which helped pioneer superstores that put countless mom-and-pop bookshops out of business, filed for bankruptcy protection Wednesday, Feb. 16, 2011, sunk by crushing debt and sluggishness in adapting to a rapidly changing industry. (AP Photo/Paul Sakuma)

Borders Bankruptcy

In this Dec. 7, 2010 photo, a customer leaves a Borders bookstore in Palo Alto, Calif. Bookseller Borders, which helped pioneer superstores that put countless mom-and-pop bookshops out of business, filed for bankruptcy protection Wednesday, Feb. 16, 2011, sunk by crushing debt and sluggishness in adapting to a rapidly changing industry. (AP Photo/Paul Sakuma)