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“Whether that’s something as simple as locking a door or interdicting the shooter.”

Imagine two dark-coloured fence posts, inconspicuous to the public and bad guys, which act as a WiFi antenna transmitter and receiver. A minimum of two posts — more for large areas daisy-chained — would have to be installed around the perimeter of a public place, such as a parking lot.

These posts, a few metres apart, create an “invisible mesh” with the signals pinging back and forth with WiFi speeds ranging from 2.4 GHz to 60 GHz. When a person walks through the signal, the patent-pending technology is able to detect metals of certain sizes and the AI behind it will recognize long guns and knives (though currently not explosives) and determine if it could be a threat.

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If that is the case, the system then allows for more invasive surveillance. It will either activate a camera installed in the fence post or nearby CCTV to confirm the identity of the person isn’t someone who should be lawfully carrying a gun, like a police officer.

“The AI we use is trained to tell the difference between a shooter and a good person. There’s also tagging technologies that you can utilize to tell friendlies from bad guys,” said Delamar. “Rather than having full-time surveillance and invading their privacy, what this system allows you to do is activate a probable cause tripwire.”

In milliseconds, the system then fires off an alert to the laptops or smartphones of security on-site or to police.