Activists Turn Facial Recognition Tools Against the Police (Published 2020)


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“Accountability is important,” said Christopher Howell, who tapped his knowledge of neural net technology after police tear-gassed him at a protest in Portland, Ore. “We need to know who is doing what, so we can deal with it.”Credit...Mason Trinca for The New York Times

“Accountability is important,” said Christopher Howell, who tapped his knowledge of neural net technology after police tear-gassed him at a protest in Portland, Ore. “We need to know who is doing what, so we can deal with it.”Credit...Mason Trinca for The New York Times

Kashmir Hill

In early September, the City Council in Portland, Ore., met virtually to consider sweeping legislation outlawing the use of facial recognition technology. The bills would not only bar the police from using it to unmask protesters and individuals captured in surveillance imagery; they would also prevent companies and a variety of other organizations from using the software to identify an unknown person.

During the time for public comments, a local man, Christopher Howell, said he had concerns about a blanket ban. He gave a surprising reason.

“I am involved with developing facial recognition to in fact use on Portland police officers, since they are not identifying themselves to the public,” Mr. Howell said. Over the summer, with the city seized by demonstrations against police violence, leaders of the department had told uniformed officers that they could tape over their name. Mr. Howell wanted to know: Would his use of facial recognition technology become illegal?

Portland’s mayor, Ted Wheeler, told Mr. Howell that his project was “a little creepy,” but a lawyer for the city clarified that the bills would not apply to individuals. The Council then passed the legislation in a unanimous vote.

Mr. Howell was offended by Mr. Wheeler’s characterization of his project but relieved he could keep working on it. “There’s a lot of excessive force here in Portland,” he said in a phone interview. “Knowing who the officers are seems like a baseline.”

Mr. Howell, 42, is a lifelong protester and self-taught coder; in graduate school, he started working with neural net technology, an artificial intelligence that learns to make decisions from data it is fed, such as images. He said that the police had tear-gassed him during a midday protest in June, and that he had begun researching how to build a facial recognition product that could defeat officers’ attempts to shield their identity.

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