The Georgia state Senate on Friday passed a resolution creating a special committee to investigate Fulton County District Attorney Fani Willis amid allegations of an improper affair with her lead prosecutor in the 2020 election subversion case against former President Donald Trump.

The resolution, which cleared the GOP-controlled state Senate 30-19, allows the special committee to subpoena people and evidence while putting witnesses under oath for their testimonies. At the end of its investigation, the committee will submit a report “that will recommend any changes to either legislation or appropriations,” according to state Sen. Greg Dolezal, who introduced the resolution.

“This resolution is about an officer of the state of Georgia, within a subdivision of the state of Georgia, and how they are using state funds,” Dolezal said on the Senate floor. “This falls squarely within what we should be talking about and what we should be addressing.”