Bill Pulte, who runs the Federal Housing Finance Agency under President Donald Trump, confirmed Thursday that he filed a criminal referral against Federal Reserve Governor Lisa Cook for alleged mortgage fraud.

Federal Housing Finance Agency Director Bill Pulte suggested Thursday that his referral of Federal Reserve Governor Lisa Cook for alleged mortgage fraud was part of a broader crackdown on the issue.

Federal Housing Finance Agency Director Bill Pulte (left) has alleged that Federal Reserve Governor Lisa Cook of Michigan has committed mortgage fraud. Federal Housing Finance Agency Director Bill Pulte suggested Thursday that his referral of Federal Reserve Governor Lisa Cook for alleged mortgage fraud was part of a broader crackdown on the issue.

The surprise early resignation of former Fed Governor Adriana Kugler, another Biden pick, gives Trump an early opening to nominate someone to the central bank’s board and steer its monetary policy trajectory more toward his preferred path. He has named one of his economic aides, Stephen Miran, to fill the slot on an interim basis.

The U.S. Justice Department plans to investigate Federal Reserve Governor Lisa Cook, with a top official informing Federal Reserve Chair Jerome Powell of the probe and encouraging him to remove her from the board,