https://jamestown.org/program/clashes-intensify-between-moscow-and-circassians-on-key-issues/
https://www.rosbalt.ru/world/2021/09/22/1922421.html
https://ua.krymr.com/a/vitaliy-portnykov-fsb-di-za-starymy-skhemamy-krym/31452143.html
https://www.kp.ru/daily/28299.5/4438853/