The decision was a blow to Paul Manafort’s defense against numerous charges brought by special counsel Robert Mueller and a rejection of his use of a civil case to attack his criminal prosecution. It was the first of Manafort’s challenges to Mueller’s authority. He has made similar arguments in moving to dismiss the two criminal cases against him…

“A civil case is not the appropriate vehicle for taking issue with what a prosecutor has done in the past or where he might be headed in the future,” Jackson wrote, saying that it was well-established law that a court shouldn’t use its powers in a civil case to interfere in a criminal investigation when a defendant has the ability to challenge the prosecution in a criminal case.