http://www.kasparov.ru/material.php?id=5BD83F6D6C04D
http://www.kasparov.ru/material.php?id=5BD08D3AC56DA
http://www.kasparov.ru/material.php?id=5BCEB117593D4
https://www.gazeta.ru/army/2018/10/22/12030541.shtml?updated
http://www.kasparov.ru/material.php?id=5BCE1D6220C63
https://www.inopressa.ru/article/19Oct2018/spiegel/gru.html
https://www.kommersant.ru/doc/3764873
Alexander Mishkin, 39, used the alias Alexander Petrov for the failed hit on the double agent Sergei Skripal and his daughter Yulia in Salisbury in March