ADVERTISEMENT

"I will not accept a trial in the Senate until I know who the whistleblower is," Graham said.

Trump and his allies for weeks have been clamoring for the disclosure of the whistleblower's identity. Trump, and some GOP lawmakers, have even called for the media to disclose the person's name.

Graham, during the Fox News interview, questioned if the whistleblower was "connected to Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE in any way."

Graham's call for the whistleblower to be named as part of any Senate impeachment trial comes after House Democrats rejected an effort by House Republicans to call the whistleblower and Hunter Biden, former Vice President Joe Biden's son, as witnesses in the public House impeachment inquiry hearings taking place this week and next.