As I said, I and many people have known about the site for a long time now. It's probably not an area you're familiar with, internet security type stuff. As an example, I remember talking about this on the forums back in 2003:
"Jaynes, who also allegedly uses the aliases Jeremy James and Gaven Stubberfield, is rated by
Spamhaus as the world's eighth-most-prolific spammer."
http://usatoday30.usatoday.com/tech/news/2003-12-11-spam_x.htm
to articles from this month:
http://krebsonsecurity.com/2016/06/fbi-raids-spammer-outed-by-krebsonsecurity/
Plenty of articles on them, just check Google News -
https://www.google.com/search?q=ROKSO&ie=utf-8&oe=utf-8#q=spamhaus&tbm=nws
The ROKSO list gets mentioned a lot as well -
https://www.spamhaus.org/rokso/
Did you even read the About Us page where it mentions one of their main LEA working partners was the FBI? Or the award they got from them?