A vehicle in a background is a 1979 Lada Riva as well.
http://ukraineatwar.blogspot.com/2014/08/graphic-warcrime-pow-tortured-and.html
Your cousins video taped themselves torturing Ukrainian soldiers, and then later took photographs of one of those same soldiers, claiming he was one of the war dead that Ukraine was "hiding," though, turns out this Ukrainian soldier survived his captivity after all, although, during the prisoner swap, they immediately tried to kill him (and others), as discussed here:
http://ukraineatwar.blogspot.com/2014/08/pow-andrey-posanyuks-car-got-attacked.html
In the one with the Muhammedan, the Muslim terrorist there is likely the Chechen allegedly nicknamed "Doberman". He can be seen here in Russian uniform:
http://www.liveleak.com/view?i=27f_1408314613
Supposedly he fought in Georgia as well for Russia. If his torture victim is actually a Georgian, my apologies.
Here are more Muhammedans geolocated to Ukraine here, fighting for Russia:
http://www.interpretermag.com/ukraine-liveblog-day-180-the-battle-for-lugansk-begins/