If you'd like a somewhat less vitriolic article that doesn't use derogatory words in the headline, you can go straight to the article this is linking to:
https://netzpolitik.org/2014/interview-with-bpjm-leaker-webs...
https://netzpolitik.org/2014/interview-with-bpjm-leaker-webs...
Nevertheless, that interview actually does transitively point to a good deal of the information in the article.