The technology works by spotting changes in body heat and can also pick up hidden weapons, explosives, cash and drugs

Next is testing out new AI scanners that can detect stolen goods that customers have hidden in bras and underwear.

The technology works by spotting changes in body heat and can also pick up hidden weapons, explosives, cash and drugs.

The “Thruvision Passive Terahertz Screening System” has already been tested by staff in Next UK warehouses and distribution centres – but could soon be rolled out in shops.

Steve Teatum, Head of Group Loss Prevention at Next , spoke about the new system in a recent episode of the Retail Crime Uncovered podcast, reports The Sun.

Mr Teatum said: “We call them ‘Mules’ – we see them loaded up with stuff. When we first deployed Thruvision s

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