Ukraine (closed; covers till August 2014)

[kaur]

This read beard is identified as deputy head of "Vostok" unit Hamzat Gairbekov (начальник разведки ныне расформированного батальона ГРУ "Восток" Хамзат Гайрбеков). In Russian internet you can find some additional information about this guy.

from the video

00:39 "CNN can't confirm the authenticity of the images. Some are poor quality"

This is the cossack vs Gairbekov.