A Metropolitan Police van with cameras on tripods displays a 'Live Facial Recognition In Operation' sign
The report found bias in the algorithm used in retrospective facial recognition and being more likely to wrongly flag ethnic minority people as suspects. Photograph: Jill Mead/The Guardian
The report found bias in the algorithm used in retrospective facial recognition and being more likely to wrongly flag ethnic minority people as suspects. Photograph: Jill Mead/The Guardian
Facial recognition errors put ethnic minorities at risk of wrongful arrest, police watchdog warns

Inspectors find some officers acted on potential matches from retrospective searches without making enough checks