Sainsbury’s store pauses AI scanning after false shoplifting accusation

Sainsbury's has temporarily halted the use of its AI face scanning technology after a customer was wrongfully accused of shoplifting and ejected from a store in East Dulwich, London. The incident occurred when 46-year-old Matt Arnold, who was purchasing supplies for a standup event, was incorrectly identified by the Facewatch system.

Despite being assured that his shopping would be left untouched, Arnold felt humiliated and powerless as he was led out of the store. The supermarket chain's head office apologized to Arnold and has suspended the use of the AI technology in the affected store while an investigation is conducted.

Arnold expressed concern about the potential for AI to falsely accuse vulnerable individuals, such as those with mental health issues, and the confidence-destroying impact this could have on younger people or those less willing to stand up for themselves. The supermarket chain utilizes facial recognition to identify shoplifters and other criminals, claiming it is done to protect staff from abuse. However, the technology has faced issues in the past, including false accusations in other stores like Home Bargains and B&M.

Sainsbury's has defended the use of its AI system, stating that the incident was caused by human error rather than the facial recognition technology itself. The company claims its Facewatch system has a 99.98% accuracy rate and that every match is reviewed by a trained manager. The Facewatch spokesperson also rejected responsibility, asserting that a correct alert was sent to the retailer but was mishandled by store staff.

They claimed the suspension of the store was a precautionary measure while staff undergo additional training.