Download the Report
https://www.csis.org/analysis/russian-speaking-foreign-fighters-iraq-and-syria
https://politeka.net/reading/561811-natsbezpeka-ukrayini-peremogi-porazki-ta-stsenariyi-na-2018-rik/
https://www.radiosvoboda.org/a/28945900.html
https://echo.msk.ru/programs/beseda/2119648-echo/
https://theins.ru/politika/86416
http://hvylya.net/analytics/politics/chomu-kreml-pogodivsya-na-obmin-polonenimi.html
https://nv.ua/opinion/tsaplienko/ob-odnom-osvobozhdennom-naemnike-2442492.html