In March an account appeared claiming to be a Canadian Volunteer in Ukraine. Since then he's published several claims that I see as suspicious.
— Nathan Ruser (@Nrg8000) May 1, 2022
I can't prove he is not in Ukraine (just as he hasn't proven that he is), but I can show this graph showing the times of day he tweets. pic.twitter.com/ay8GBkG7XG