Obviously, Schiff does know who the whistleblower is although he lied and said he didn’t.
?JIM JORDAN NUKES SCHIFF ON LIVE TV ?
Jordan was asking about who was leaking national security information.
Schiff stops him to "protect the whistleblower"
Jordan to Schiff:
"You have said you don't know who the whistleblower is – even though no one believes you."
— Benny (@bennyjohnson) November 19, 2019