January 4, 2013 7:39 pm

Homeland security

The US-Mexico border has grown increasingly dangerous but hundreds of thousands of migrants still attempt to cross it every year
The barrier between Mexico (on the left) and the US is interrupted by Arizona’s Baboquivari mountains before continuing across the desert floor, 2012©Gary Knight

The barrier between Mexico (on the left) and the US is interrupted by Arizona’s Baboquivari mountains before continuing across the desert floor, 2012

In October 2010 I was driving across the Sonora desert in southern Arizona, following the Mexican border between Douglas and Yuma in the footsteps of Francisco Vásquez de Coronado, the Spanish conquistador who crossed into what is now the United States in 1540. As I drove deeper into the desert I could see the architecture of immigration: the long border fence, the US Border Patrol camps based in metal containers, the surveillance technology. I could also see traces of migration on the ground: old campfire sites and scraps of clothes on barbed-wire fences. Each year hundreds of thousands of illegal immigrants attempt the crossing into the US, risking death along the desert trails or in the mountains. After returning from the border I began work on a project that addressed the issue of immigration through the landscape.

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Thanks to a friend at the University of Arizona I found Bob Kee, who is attached to the Samaritans, a church-based group of volunteers in Tucson who go out at weekends to look for migrants in distress on the desert trails. I made several trips with Bob, often coming across remains and shrines – candles and coins left by migrants at the graves of those who had died during their passage. But to tell the story of migration through the landscape needed scale. I climbed the parched Baboquivari Mountains that rise out of the desert floor but I could never get high enough, or vertical enough. So Bob introduced me to Sandra Lanham, a pilot who has flown the desert for decades working for environmental agencies and NGOs on both sides of the border. With Bob in the back seat of her Cessna, GPS to hand, we looked for the trails we had walked.

The border crossing at Nogales, Arizona, with the US in the foreground and Mexico beyond the barrier, 2012©Gary Knight

The border crossing at Nogales, Arizona, with the US in the foreground and Mexico beyond the barrier, 2012

From the sky we saw the barrier erected by Homeland Security as it carved its way through the desert, and the trails made by migrants pursued by “La Migra”, the US Border Patrol. Overturned cars and patrol trucks dotted the landscape like children’s toys. Seen from above, the apparatus of border security looks more like that of North and South Korea or Israel and Palestine than of a country at peace with its neighbours.

Clothes discarded on the migrant trail, 2011©Gary Knight

Clothes discarded on the migrant trail, 2011

The steel fence cuts through four US states, from the southern tip of Texas to the Pacific coast of California. At up to $15m per mile to build – occasionally even more – and guarded by private security firms and the US Border Patrol, the fence has so far cost $1bn. New technologies, also used to track suspected terrorists and insurgents in Afghanistan and Iraq, are adding a further $755m to the bill. According to the US Health Resources and Services Administration, if this border region were the 51st state of the Union, it would rank last in access to healthcare, last in per capita income and first in the number of children living in poverty.

A migrant grave, between Ruby and Green Valley, Arizona©Gary Knight

A migrant grave, between Ruby and Green Valley, Arizona

Back in the dirt I saw further signs of the patrol – car tyres chained together and dragged behind trucks to sweep the trail at dusk so that any new tracks will be visible at dawn, emergency beacons for migrants in distress who can walk no further, water containers left by sympathetic NGOs. There were also more signs of human passage: discarded clothing, blankets used by migrants to wrap the soles of their shoes to cover their tracks, more shrines to the dead.

. . .

An overturned migrant vehicle in a dry river bed near Sasabe©Gary Knight

An overturned migrant vehicle in a dry river bed near Sasabe, 2012. Traffickers known as “coyotes” pick up migrants in prearranged locations and drive them north. Vehicles spotted by US Border Patrol can result in a chase through the desert

According to the US Customs and Border Protection agency (CBP), the number of illegal migrants apprehended at the US border has fallen dramatically in recent years, from 858,638 in 2007 to 327,577 in 2011, a drop of almost 62 per cent. There are now 22,000 Border Patrol Agents (their numbers were doubled in 2005) who work alongside the army, the National Guard, Homeland Security and local law enforcement agencies. Local vigilantes and militias join them at weekends. The CBP also employs six $20m, 10,000lb Predator drones, manufactured by General Atomics, and identical – except that they are unarmed – to those used in Iraq, Afghanistan and Pakistan. These fly between Yuma, Arizona and Brownsville, Texas at a cost of $3,000 per hour. Equipped with day- and night-vision technology, they are as silent as paper darts – and, some argue, about as effective. In 2011 nine drones deployed all over the US found only 5 per cent of the drugs discovered by 14 cheaper, manned aircraft.

In their desperate attempts to evade the drones or land-based thermal-imaging technology, the migrants are forced to skirt the steel fence and watchtowers and cross the harshest mountainous desert terrain where it is too expensive to erect a barrier. They die horrible deaths on remote trails and deer paths, paths that overlook new settlements with names such as Desert Bell, populated by second-generation migrants from Europe. This is a landscape in which humans are scorched into the desert sand like dead livestock, and where thousands of women and girls have been raped by some of the “coyotes”, young men who peddle humans and drugs across the border with little fear of retribution.

The border fence at Sasabe, Arizona©Gary Knight

The border fence at Sasabe, Arizona

According to the Pew Research Center in Washington, D.C., the number of migrants crossing the border has declined, not only because of increased security but also because, with an economic crisis in the north, a future in the US is less attractive. However, border organisations such as the Samaritans say that as the crossing has become more difficult, the number of migrant deaths has risen. We will never know how many people succeed in the crossing, or how many die in the attempt. In both cases they disappear into the landscape.

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