Many of them have a distinctly Russian way of speaking. I suspect either from being from Russia or spending their time in Russian info sphere. For example in Russia the US Department of State is one of the most important boogeymen and blaming opponents of being a “State Department agent” is as common as blaming their opponents being racist for lefties. Other sign is not understanding why they should not post articles from The Nation or The Morning Star here if they want to maintain their cover. Admins cured them of the later, but that just means the trolls had a chance to learn.
Our local Putinist propagandists are parrots who get some sick fanboy enjoyment out of carrying water for a mass murder. When Putin says it isn’t russian army invading Crimea, they say it isn’t the russian army. Then later when Putin says it was the army Putinist say “we knew all along it was”.