Fight clubs, neo-Nazi soccer hooligans, and motorcycle gangs serve as conduits for the Kremlin’s influence operations in Western countries.
https://www.theatlantic.com/amp/article/568741/
https://www.radiosvoboda.org/a/29458112.html
http://www.ng.ru/editorial/2018-08-29/2_7299_red.html
http://www.kasparov.ru/material.php?id=5B86509496DF4
https://www.kommersant.ru/doc/3726066
http://www.rosbalt.ru/blogs/2018/08/28/1727961.html
http://www.rosbalt.ru/moscow/2018/08/28/1727856.html
https://www.gazeta.ru/social/2018/08/27/11926951.shtml