Ted Robbins

It's been more than a month since the government began accepting requests for its Deferred Action for Childhood Arrivals program, the Obama administration's policy for young people brought to the U.S. illegally as children. Hundreds of thousands of people are eligible for the program. So far, only 82,000 have applied.

Carlos Martinez is one of the 29 people who have actually gotten deferrals. It means that he won't be deported, and that he can get a work permit. Martinez applied for the deferred action program the first day.

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It's been more than a quarter century since the federal government enacted any immigration legislation which wasn't about enforcement and over that time, the government has spend hundreds of billions of dollars on fences, aircrafts, detention centers and agents. NPR's Ted Robbins looks at what taxpayer money has bought and why it's not likely to go away, even as budgets shrink and illegal immigration lessens.

At 11 a.m. on a weekday, Calexico rehearses for its upcoming tour in a cramped studio on the south side of Tucson, Ariz. The stereotypical musician would just be getting up, but lead singer and songwriter Joey Burns has been up since dawn with his twin baby girls.

Trumpet player Jacob Valenzuela arrives late to the rehearsal — and that's because his washing machine broke and he had to deal with a small flood. Valenzuela grabs his trumpet as the band launches into "Splitter," the first single from Calexico's new album.

The United States' southern border bristles with technology and manpower designed to catch illegal immigrants and drug smugglers. Since 1986, the government has spent hundreds of billions of dollars on fences, aircraft, detention centers and agents.

But even as federal budgets shrink and illegal immigration ebbs, experts say that there's no end in sight for the growth of the border-industrial complex.

A Growing Investment On The Border

If you're from a state once considered the "Old West," odds are you've heard of a Boot Hill graveyard. Turns out there are a number of Boot Hill cemeteries in the West, so named because many of their inhabitants died violently — with their boots on.

But of all the Boot Hill cemeteries, none is as famous as Boot Hill in Tombstone, Ariz.

It's a tough-looking place. No lawn, just gravel, mesquite trees and cactus. The graves are covered with stones to keep varmints from digging up the bones.