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4 ways to address the failures we found along the US border’s “virtual wall”

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Why This Matters

MIT Technology Review's investigation reveals systemic failures in the US government's AI-enabled border surveillance towers, including broken equipment, faulty detection algorithms, and unresponsive agents, which have led to preventable deaths near the US-Mexico border. This matters because billions of taxpayer dollars are being funneled into expanding this technology despite evidence it isn't working as promised, raising urgent questions about accountability, oversight, and the human cost of automated border enforcement.

Key Takeaways

MIT Technology Review today published our investigation into how many people have died near the “virtual wall” of surveillance towers that the US government has installed along the US-Mexico border.

We found cases of people who walked undetected through areas surveilled by advanced, AI-enabled towers and later died nearby, where their bodies remained unnoticed for weeks or months. These cases reflect systemic flaws in the virtual wall: broken towers, algorithms that failed to detect people, and agents who simply did not respond to alerts.

This story is part of Dying on Camera, a collaboration between MIT Technology Review and Times of San Diego. Journalists in both newsrooms spent the past year examining the failures of border surveillance technology and uncovering the stories of the people who die in the borderlands.

Each of these deaths should have raised alarms inside US Customs and Border Protection (CBP) about the flaws in the agency’s surveillance network. This is particularly true for cases near the latest towers built by the defense company Anduril, which continues to win major contracts and is poised to benefit from the windfall of federal money slated for border security. The US is set to spend $1 billion to triple the size of the virtual wall by 2034.

Here are four ideas for what CBP should do next to address these failures.

1. Conduct a comprehensive audit of deaths near the virtual wall

In this June 16, 2021, file photo, a family from Venezuela moves to a Border Patrol transport vehicle after they and other migrants crossed the U.S.-Mexico border and turned themselves in to agents in Del Rio, Texas. ERIC GAY/AP PHOTO

“If I were the federal government, I would do an audit, because this feels like it’s not working.”

That was New Mexico state representative Sarah Silva’s reaction when MIT Technology Review showed her that in 2024 alone, more than 18 people had died near surveillance towers in just one small stretch of desert near her district.

An audit is necessary because, despite poring over thousands of pages of police reports and other documents about surveillance towers, we have only limited knowledge of how many towers are out there and where they’re located.

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