that exposes quite a lot more information than I expected, given OP's description of how the privacy laws work. it includes the suspects' ages, backgrounds and (very distinctive) first names. it took me a mere second to find their full names by Googling - there's not many 71-year old noblemen named "Heinrich XIII"!
so I guess it's a figleaf? good for them, I guess?
It's done like this: https://www.dw.com/en/german-police-arrest-25-suspects-over-...