She had only walked for a couple of hours, and already she was lost. It was early afternoon on Sept. 14, 2025, when 30-year-old Graciela Gómez Hernández crossed the border from the eastern edge of Tijuana into Southern California, sending voice messages to her mother and sister as she walked.
Source: [MIT Tech Review](https://www.technologyreview.com/2026/09/21/1144170/border-towers-surveillance-feature/)