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Policy·Sep 21·all news from September 21, 2026

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

An investigation by MIT Technology Review reports that individuals have perished in areas covered by the US government’s network of AI-enabled surveillance towers. The findings highlight gaps in the border-monitoring system, where automated technology failed to detect people traversing high-risk zones. Researchers suggest four methods to improve the system's effectiveness and safety, noting that the current reliance on this virtual wall has not prevented fatal outcomes for those traveling through monitored regions.

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