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500k facial scans at UK stations yield no arrests, 1 false positive

518 points · 305 comments · ilamont

  1. jwally · · focus · HN ↗
    I was thinking about this with flock cameras the other day...what's our actual ROI? Was the world horrible before and these initiatives are going to close a monster crime gap or is this just a giant fishing expedition ... just because?
    1. Dezvous · · focus · HN ↗
      Flock claims they perform greater than 20 billion plate reads per month and allegedly are used in solving a few thousand cases per year. Their actual usefulness in those solved cases is not quantified. A customer could have used the cameras for a search that returned nothing or produced no additional leads, but Flock could still say they were used in the investigation. So the ROI is not great.
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