Schiff and Vindman: "I don't know the name of the whistleblower, I have never met him"

Schiff and Vindman: "we can't give any further details because it would reveal the name of the whistleblower.

If they don't know the name, how can they possibly know whose name not to reveal?

— Rising serpent 🇺🇸 (@rising_serpent) November 19, 2019