Judge Hesitates to Accept Justice Dept. Move to Drop Flynn Charge

Law enforcement officials’ abrupt decision to end the case drew accusations from former colleagues that they had undermined the rule of law.

A federal judge overseeing the criminal case of President Trump’s former national security adviser Michael T. Flynn opened the door late Tuesday for legal experts and other outside parties to oppose the Justice Department’s motion to drop the case, suggesting he has at least some skepticism about the government’s argument that Mr. Flynn should never have been charged.

In a brief order, Judge Emmet G. Sullivan of the...