MIT Technology Review dataset records 1,247 migrant deaths within 5 miles of 200 CBP towers installed 2015-2025
The resulting map demonstrates that surveillance infrastructure has not reduced deaths in its coverage zones. Data practices raise unresolved privacy and effectiveness questions for expanded AI border systems.
Journalists obtained 2,300 pages of justice-of-the-peace and sheriff reports from 17 Texas counties plus existing Arizona and New Mexico datasets. Cases were included only when crossing intent, location coordinates, and approximate date could be verified, yielding 1,247 incidents within a 5-mile radius of tower sites deployed between 2015 and 2025. Tower installation dates were cross-checked against CBP procurement logs and environmental assessments.
Spatial analysis shows 38 percent of mapped deaths occurred inside the nominal 3-mile camera coverage radius of at least one tower. No statistically significant decline in per-tower death rates appears after 2020 despite upgrades to AI-assisted video analytics. Public records indicate tower feeds are retained for 30-90 days and shared with at least three additional federal agencies without routine privacy impact assessments.
The pattern indicates that tower placement correlates with enforcement corridors rather than high-mortality desert zones. This operational focus leaves remote terrain unmonitored while generating persistent location data on both migrants and U.S. persons. Future tower contracts will require updated data-retention rules and independent audits of rescue versus apprehension outcomes.
CBP has not released tower-level performance metrics since 2023. Next public data release is scheduled for the FY2026 congressional justification.
CBP: FY2027 tower contract will add 150 units with no reduction in deaths inside coverage radii per OIG metrics.
Sources (3)
- [1]Dying on Camera methodology(https://www.technologyreview.com/2026/09/21/1144161/border-towers-surveillance-methodology/)
- [2]GAO-24-106421 Border Security Technology Assessment(https://www.gao.gov/products/gao-24-106421)
- [3]No More Deaths 2024 Border Death Database Update(https://nomoredeaths.org/2024-database-release)