They have been ripping people off by selling bullshit stories.

They ("Spetsnaz instructors") are posers, and liars. None of them has ever served with any of our units.
I've seen one of the "instructors" getting his jaw broken by a buddy of mine in Moscow.
I wouldn't want you to spend your hard earned money on those scumbags.
They are not worth even a SINGLE dollar off your pocket!
The sheer amount of bullshit coming from them simply amazes me!!

http://www.russianmartialart.org/
http://www.ermaa.com/
http://www.spetsnaz-gru.com/
http://www.russianmartialart.com/
http://www.systemamartialart.com/
I'm sure there are more. These are just the ones I easily found.