This is the 11312th most frequent German word.
sonderermittlers
"Special investigator."
Here, 'Sonderermittlers' is the possessive form of the singular noun 'Sonderermittler', which means 'special investigator'. It denotes the report belonging to the special investigator.
Der Sonderermittlers Bericht führte zu einer wesentlichen Veränderung im Fall.
The special investigator's report led to a significant change in the case.
In this sentence, 'Sonderermittlers' again appears in the possessive case, indicating possession of the files by the special investigator.
Die Akten des Sonderermittlers wurden gestern veröffentlicht.
The files of the special investigator were published yesterday.
Here, 'Sonderermittlers' reflects the possessive form in connection to the 'report', again demonstrating the ownership of the report by the investigator in focus.