Judge Appoints Outsider to Take On Justice Dept. in Flynn Case

The federal judge overseeing the case against President Trump’s former national security adviser Michael T. Flynn appointed a hard-charging former prosecutor and judge on Wednesday to oppose the Justice Department’s effort to drop the case and to explore a perjury charge against Mr. Flynn.

Judge Emmet G. Sullivan’s appointment of the former judge, John Gleeson, was an extraordinary move in a case with acute political overtones. Mr. Flynn pleaded guilty twice to lying to investigators as part of a larger inquiry into Russia’s interference in the 2016 election.

Mr. Flynn later began fighting the charge and sought to withdraw his guilty plea. Then last week, the Justice Department abruptly moved to drop the charge after a long campaign by Mr. Trump and his supporters, prompting accusations that Attorney General William P. Barr had undermined the rule of law and further politicized the department.

Judge Sullivan also asked Judge Gleeson to explore the possibility that by trying to withdraw his pleas, Mr. Flynn opened himself to perjury charges.

The Justice Department declined to comment. Judge Gleeson did not respond to a request for comment. Judge Sullivan had said on Tuesday that he would consider briefs from outsiders known as amicus curiae, or “friend of the court,” who opposed the government’s request to dismiss the case against Mr. Flynn.

While judges do sometimes appoint such third parties to represent an interest they feel is not being heard in a case, Judge Sullivan’s move was highly unusual, said Samuel Buell, a former federal prosecutor who now teaches criminal law at Duke University.