WASHINGTON (AP) — Federal officials say two government inspectors general have asked the Justice Department to determine whether sensitive government information was transmitted on Hillary Rodham Clinton’s personal email.

Clinton has acknowledged her use of a personal email server as secretary of state but had said she never sent classified information.

The New York Times first reported the referral. The Clinton campaign said Friday that she “followed appropriate practices in dealing with classified materials.” Spokesman Nick Merrill said emails deemed classified by the administration were done so after the fact, not when they were sent.

One U.S. official said it was unclear whether classified information was mishandled and the referral doesn’t suggest wrongdoing by Clinton herself.

The officials were not authorized to discuss the referral by name and spoke on condition of anonymity.