The Guardian · Daniel Boffey ·

FOI docs: UK police's six-month live facial recognition trial in London railway stations scanned 500K+ faces, leading to no arrests and one false-positive alert

Freedom of information request finds six-month trial cost £320,000, used almost 100 police hours and led to just one - incorrect - alert

FOI docs: UK police's six-month live facial recognition trial in London railway stations scanned 500K+ faces, leading to no arrests and one false-positive alert

Lead Source

The Guardian — FOI docs: UK police's six-month live facial recognition trial in London railway stations scanned 500K+ faces, leading to no arrests and one false-positive alert ↗

How this story grew

Coverage · 0 Discussion · 0

Sep 29Sep 30

Discussion

478 points, 292 comments r/london r/ukpolitics r/unitedkingdom r/news

@openrightsgroup@social …

Related stories

Telegraph: Twenty police forces in England and Wales recorded 163 crimes involving keywords like "AI-generated", "deepfake", and "nudify" by July 2026, up from 10 in 2023

The Guardian: The IWF says it assessed 6,310 AI-generated images that met the legal definition of CSAM in H1 2026, 40% more than the 4,500+ images assessed in all of 2025

SemiAnalysis: Analysis of 857 releases from nine Chinese AI labs from 2021 to September 2026: just 3.6% included safety results from the developer and only 1.1% did at launch

The Guardian: US law enforcement and intel agency docs: since 2021, the FBI, DHS, and NYPD have viewed AI as both a facilitator of violent extremism and a target for attacks

The Verge: Microsoft court filings: an expert hired by publishers found that only ~60K of 8.2M Copilot chat logs contained at least 16 words in common with news content

Discuss with AI

ChatGPT ↗ Claude ↗

← Back to TechSnif