Turkey slams german statements on arrested rights activist

It seems like you're referring to a recent news article or statement made by the Turkish government regarding a German rights activist who was arrested in Turkey.

To provide more context, could you please provide more information about the article or statement you're referring to? For example, what were the specific statements made by the German government or officials that Turkey is slamming? And what is the background of the rights activist who was arrested?

Additionally, it would be helpful to know what specific rights the activist was advocating for and what the Turkish government's stance is on the matter. This will help me provide a more accurate and informative response.