Former President Joe Biden did not closely review every case included in his sweeping end-of-term clemency spree and instead delegated vast authority to aides to handle the process, including to then-chief of staff Jeff Zients,

Biden said he approved every clemency request and pardon signed using the autopen, which included clemency and commutation actions related to 2,500 nonviolent drug offenders during his final days in o

Ky., used a digital signature to send out letters and subpoena notices related to the Biden autopen investigation.

Comer using an autopen to investigate an autopen is just so James," one House Democrat said, mocking the Oversight Committee chairman.

Former President Joe Biden, in an interview with the New York Times, said that he personally made every clemency and pardon decision during the end of his presidency.

Constitutional scholar Randy Barnett calls Biden's autopen use "the biggest constitutional scandal in US history" as questions arise about the legality of presidential actions.

The congressional investigation into the Biden White House’s autopen use could chip away at his last line of defense.