"Therefore, we submit a request for records seeking information about the White House’s attempts to interfere with federal law enforcement to pursue politically beneficial outcomes," they continued.

Democrats are requesting any communications with Barr or Deputy Attorney General Jeffrey Rosen that contain one of more than 70 phrases including "quid pro quo," "Rudy" and "Burisma." Hunter Biden previously served on the board of Burisma, a Ukrainian company.

They also requested any documents to or from the top DOJ officials related to interactions between the department and China or Ukraine and potential investigations into Trump's 2020 opponents.

And the senators are specifically requesting any documents created or modified since mid-February "pertaining to any requests from the White House, whether directly or indirectly, to investigate companies associated with Hunter Biden."