Former President Joe Biden aide Annie Tomasini faces House Oversight Committee subpoena amid Republicans' probe into the alleged cover-up of Biden's cognitive decline and autopen usage.

The moves have raised eyebrows among conservatives, who allege Biden officials covered up concerns over the former president's health.

Annie Tomasini invoked the Fifth Amendment during an Oversight Committee probe into President Biden's handling of classified documents and health.

Ky., chairman of the House Oversight Committee, says there “is now a pattern of key [Joe] Biden confidants seeking to shield themselves from criminal liability for this

Annie Tomasini is refusing to answer any questions about Biden’s health or whether she was asked to lie about it.

Three of Joe Biden’s top aides have pleaded the Fifth Amendment as they are grilled by congressmen over an alleged cover-up of the former president’s mental decline.

With no forewarning, on July 14, your counsel requested a subpoena to compel your appearance on July 18,” the subpoena’s cover letter from House Oversight Committee Chairman

House Oversight Committee Chairman James Comer on Tuesday subpoenaed Joe Biden's deputy chief of staff when Biden was president. The committee had requested the former White House official, Annie Tomasini, to appear for a deposition on Friday.