Polish authorities arrested Artem Vaulin, 30, of Kharkiv, Ukraine, on charges of operating the world's largest torrent portal, Kickass Torrents (KAT). http://news.softpedia.com/news/authorities-arrest-kickass-torrents-admin-in-poland-506481.shtml
There's a bit more detail in this article. https://www.engadget.com/2016/07/21/kickasstorrents-apple-facebook-homeland-security/ Similar to the Ross Ulbricht story in many ways.