From the article:

Trump’s motion contended that Willis and McBurney “at every turn” have trampled on the procedural safeguards and rights of Trump and others under investigation.

“The whole of the process is now incurably infected,” the motion said. “And nothing that follows could be legally sound or publicly respectable.”

It asserted that the Georgia statute allowing for the operation of special grand juries was unconstitutionally vague. It said that publication of excerpts of the final report would violate the former president’s rights to fundamental fairness and due process and lead to “irremediable injury” to his reputation as he runs for the GOP nomination for president for a third time.