Police body cameras equipped with artificial intelligence have been trained to detect the faces of about 7,000 people on a “high risk” watch list in the Canadian city of Edmonton, a live test of whether facial recognition technology shunned as too intrusive could have a place in policing throughout North America.

But six years after leading body camera maker Axon Enterprise, Inc. said police use of facial recognition technology posed serious ethical concerns, the pilot project — switched on last week— is raising alarms far beyond Edmonton, the continent’s northernmost city of more than 1 million people.

A former chair of Axon’s AI ethics board, which led the company to temporarily abandon facial recognition in 2019, told The Associated Press he’s concerned that the Arizona-based company

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