I saw that, don't see how that is related to GDPR? Police officers haven't been allowed to do that before GDPR (I remember a policemen friend being asked by ano

I saw that, don't see how that is related to GDPR? Police officers haven't been allowed to do that before GDPR (I remember a policemen friend being asked by another guy 10 years ago in Germany to help identify someone based on their license plate, he declined for legal reasons).