I also looked at what the yellow armband snipers carried, and apparently so did the Maidan witnesses making the claim.

Snipers sow fear and death in Kiev's urban conflict | Reuters

Protesters said snipers, armed with Soviet-made SVD or SVS weapons and given cover by armed police, used high ground near the October Palace to shoot down onto protesters who earlier that day had advanced up the hill to reclaim lost positions.

Of the two types of weapons they appear to carry, one does resemble the SVDS variant of the Dragunov. But, as indicated, Dragunov variants are used all across the former Soviet Union, so hard to make an identification based on that.

_{*Lunatic*, n.
One whose delusions are out of fashion.}