https://www.ng.ru/editorial/2022-02-09/2_8367_editorial.html
https://www.kommersant.ru/doc/5194174
https://www.bbc.com/russian/news-60149695
https://novayagazeta.ru/articles/2022/01/11/glavnyi-terrorist-sovetskogo-soiuza
https://www.dw.com/ru/kommentarij-pochemu-ubijstvo-litvinenko-paralizovalo-zapad/a-59904542
https://jamestown.org/program/chechen-strongman-drives-new-wedge-between-russia-and-turkey/