Wisconson: current home of the Sicherheitsdienst

And run, appropriately, by socialist Democrats.
Wisconsin’s sordid episode began, appropriately, with a sound of tyranny — fists pounding on the doors of private citizens in pre-dawn raids. While sheriff’s deputies used floodlights to illuminate the citizens’ homes, armed raiders seized documents, computers, cellphones and other devices. 
...
Randa correctly concluded that the John Doe investigation had no reasonable expectation of obtaining a conviction. But its aim, which had been achieved until Randa’s ruling, was utterly unrelated to law. It was abetted by selective leaks by the prosecutors and by subpoenas sent to conservative donors and organizations nationwide. The purpose of all this was to suppress conservative political advocacy by consuming the time and other resources of conservative leaders, and by making people wary of collaborating with those targeted by a secretive criminal investigation.


By they way, if you've not heard of the organization before, check here.