On June 1, Judge Emmet Sullivan of the U.S. District Court for the District of Columbia submitted a brief to the U.S. Court of Appeals for the D.C. Circuit outlining his rationale for declining to immediately dismiss the case against former national security adviser Michael Flynn after the Justice Department moved to drop their charges. A panel of judges on the D.C. Circuit had ordered Sullivan on May 21 to respond to an emergency request by Flynn that the appeals court force him to drop the case.
You can read the brief here and below: