Biysk city
Supposed name Roman Kuznetsov
Old page in classmates https://ok.ru/profile/548012869884
Pages of his friend https://m.vk.com/b.nasirov?offset=5&own=1, https://ok.ru/profile/567573698931
Old channel https://www.youtube.com/channel/UCNEwPwdTtuZmhIkWbzGOS2Q/videos
Age 16-19
Hidden friend https://vk.com/id576878118
Probable school of his friend's school 18, Biysk Altai Territory st. Dekabristov, 17, apt. 34