The FBI referred questions about its seizure of the laptop and hard drive to the Delaware US Attorney’s Office, where a spokesperson said, “My office can neither confirm nor deny the existence of an investigation.”

Hunter Biden’s lawyer refused to comment on the specifics but instead attacked Giuliani.

“He has been pushing widely discredited conspiracy theories about the Biden family, openly relying on actors tied to Russian intelligence,” the lawyer, George R. Mesires, said of Giuliani.

Pozharskyi and the Joe Biden campaign did not return requests for comment. Hochstein could not be reached.