Vogel bears much of the blame for this conspiracy theory.
politico.com/story/2017/01/…
"But Andrii Telizhenko....said she instructed him to help Chalupa research connections between Trump, Manafort and Russia."
In the article makes it clear there was no coordinated Ukrainian effort (in fact, he says there *couldn't* be one due to Ukrainian corruption), but the headline and his tweets read as if there is one.