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Sainsbury Halts Facewatch After Mistaken Shoplifter Flagging

8/18/2026

Summary

Story summary

Sainsbury halted its facial-recognition system at East Dulwich after Matt Arnold was mistakenly flagged as a shoplifter.
A spokesperson said the error was human, not Facewatch, and apologized.
Facewatch says the system is 99.98 % accurate and that each alert is manager-reviewed.
Sainsbury noted a 2 % error rate, citing a mistaken ejection in January.
Critics urged a full pause until the technology works flawlessly, warning that false alerts could humiliate shoppers.

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Story summary

Sainsbury halted its facial-recognition system at East Dulwich after Matt Arnold was mistakenly flagged as a shoplifter.
A spokesperson said the error was human, not Facewatch, and apologized.
Facewatch says the system is 99.98 % accurate and that each alert is manager-reviewed.
Sainsbury noted a 2 % error rate, citing a mistaken ejection in January.
Critics urged a full pause until the technology works flawlessly, warning that false alerts could humiliate shoppers.