It may not even have been facial recognition by computer. The facial recognition may well have been done by a human looking at security camera footage after the facts.

That would be consistent with “Apple said on Tuesday it doesn’t use facial recognition in its stores”.

On the other hand, “Security Industry Specialists Inc., a security firm that’s also named as a defendant, declined to comment on the suit” could mean that Apple hires a third party for its store security, and that firm could use facial recognition.