The Justice Department’s inspector general said Thursday that he would open a broad investigation into how the F.B.I. director, James B. Comey, handled the case over Hillary Clinton’s emails, including his decision to discuss it at a news conference and to disclose 11 days before the election that he had new information that could lead him to reopen it.
The inspector general, Michael E. Horowitz, will not look into the decision not to prosecute Mrs. Clinton or her aides. But he will review actions Mr. Comey took that Mrs. Clinton and many of her supporters believe cost her the election.
