It was not immediately clear what the investigators were looking for, but a board member with a progressive group said members had been served with search warrants.
The president said he would nominate Jay Clayton, the U.S. attorney in Manhattan and the former chairman of the Securities and Exchange Commission, for the permanent role.
The department once tried to stay out of state elections, urging caution. It is now pressing forward with claims of fraud as President Trump revives his unfounded assertions that elections cannot be trusted.
President Trump has repeatedly said that the United States and Iran were coming close to a deal to end the war. It is not clear that they are actually any closer at the moment.
As acting attorney general, Todd Blanche has shown a willingness to execute the president’s maximalist demands. Whether the Senate will confirm him remains unclear.
Todd Blanche’s role in the attempted creation of President Trump’s $1.8 billion payout fund gave rise to tensions with Senate Republicans, who will now have to decide whether to confirm him.
The push to investigate what the president’s allies saw as a “deep state” cabal intent on taking him down set off cascading crises, ended careers and undercut the department’s credibility with judges.
The F.B.I. director Kash Patel’s “grand conspiracy case” sought to tie together actions by a group of people that President Trump blamed for various investigations into him.