Most of the tech on display at this year's Border Security Expo was autonomous and AI-equipped, driven by the Trump administration's focus on US border security (Elizabeth Findell/Wall Street Journal)

Elizabeth Findell / Wall Street Journal:
Most of the tech on display at this year's Border Security Expo was autonomous and AI-equipped, driven by the Trump administration's focus on US border security  —  Rapid gains in artificial-intelligence technology bring new competitors into the business of securing the border