Former Rep. Trey Gowdy mocked House Intelligence Committee Chairman Adam Schiff, D-Calif., on Sunday for spreading the narrative in recent weeks that there is "evidence in plain sight" of collusion between President Trump's 2016 campaign and Russia.

The Fox News contributor and former federal prosecutor called Schiff a “three-eyed raven” — a reference to a supernatural figure in the “Game of Thrones” series — “who can see things that nobody else can see, says he has evidence, more circumstantial, not quite direct.”

“By the way for those who didn’t go to law school, there’s no such thing. There’s no such thing as evidence that is not circumstantial or direct,” Gowdy told Fox News' "Sunday Morning Futures."

Gowdy, who served as chairman of the House Oversight Committee before retiring from Congress at the end of the last term, also accused Schiff of only appearing on networks that are friendly to him and won’t press him on “his bombastic statement completely unsupported by the facts.”

The House Intelligence chairman said last week there is “evidence in plain sight” that shows collusion but “it will be up to Mueller to decide if that amounts to criminal conspiracy.”

Schiff has not said whether he’ll accept Mueller’s findings if they show no collusion between Trump’s campaign and Russia as his committee embarks on a sweeping investigation into Trump’s financial transactions and Russia,

[Read more: Former US attorney: Mueller report could be delayed by investigation into Trump Jr., Jared Kushner]