London facial recognition trial: £320,000 spent, no arrests

A six-month British Transport Police trial of live facial recognition at London railway stations cost £320,786 and nearly 100 police hours. More than 500,000 faces were scanned, but the system produced only one false alert and no arrests.

• 18 LFR deployments from February to July cost £320,786
• Over 500,000 faces scanned with no arrests from alerts
• The single alert was an incorrect identification
• BTP extended the trial by four months and added Tube stations