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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. IncreasePosts · · focus · HN ↗
      We can probably calculate the investment, but how do you calculate the return? What's the value of solving a crime? Is it solely the value of preventing some future crimes by the suspect, or does it have intrinsic value?
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