The hardware itself is pretty straightforward. There is an Arduino Nano to run the speech recognition algorithm and a MAX9814 microphone amplifier to capture the voice commands.

The FBI makes heavy use of face recognition services like that of controversial startup Clearview AI, but 95 percent of the agents using them haven’t completed training on the technology.

Under the EU ’s AI Act, for example, the use of real-time facial recognition is allowed only when it is approved by a judge. There is no central register of AI technologies in Britain, either.

It takes five minutes to put a name to a soldier's face using little more than a screenshot, but there's a catch.