https://www.nytimes.com/2026/10/08/world/europe/united-nations-technology-warning.html
People have been writing about this FOR MORE THAN A DECADE across 5EYES.
Check the whole thread on TW/X.
At the end of the thread, there is also a post about it being used in USA:
https://x.com/AKenabi/status/1688662703039025152
>The scientific basis for this technology, which reads brain waves, is scant. Results from BEOS tests are inadmissible as evidence in Indian courts, but the technology has been applied in hundreds of high-stakes cases, including those of murder, rape and terrorism.
People who worked with EEGs (what is probably meant here with RF brain scans) know that getting any good data from EEG measurements is cumbersome. There are currently no known neural correlates suitable for lie detection that could be measured with EEG, and even if they were, the robustness and reliability of them would be highly questionable.