A longtime FBI deputy director who had been expected to replace Director Christopher Wray on an acting basis is retiring from the bureau.

The White House has named a veteran agent to serve as acting FBI director after the official who’d been expected to run the bureau on an interim basis following the departure of Christopher Wray retir

Acting FBI Director Paul Abbate, who took the helm from Christopher Wray, resigned Monday around when President Trump took his oath of office.

Paul Abbate made the unexpected announcement in an email to senior officials Monday ahead of President Trump's inauguration.

Paul Abbate, who as the FBI's longtime deputy director had been expected to replace Director Christopher Wray on an acting basis, is retiring from the bureau, according to an email he sent to senior executives and obtained by The Associated Press on Monday.

The FBI’s acting director told senior leadership he was retiring Monday, as the bureau braces for a major shakeup under the Trump administration. Paul Abbate had earlier been expected to serve in the role for a few months after Christopher Wray’s departure.