Thank you for your response. That's what I thought. He says "Chicago" like a Chicago-area native, at the same time he had some British notes and strange i in "it is". I'm not a linguist, that's why looking for a confirmation.
I don't mean to be a pain, but when you say that you assume that it's Russian accent, are saying this because it's posted from a Russian-named account and most of the comments are in Russian? If there were no comments and the account name was not indicative of Russian origin, would you still say it is Russian accent?