"The Legislature's unilateral attempt to manufacture a conflict by issuing subpoenas to the entire Montana Supreme Court must be seen for what it is," Justice Laurie McKinnon wrote.
"In conclusion, the minority does not support the creation of committees for political theater," Democrats wrote in the report released Monday.
"There has been no misuse of state resources," Chief Justice Mike McGrath wrote in a letter to lawmakers on Friday.
The Select Committee on Judicial Transparency and Accountability is scheduled to meet at 8 a.m. Thursday.
State Supreme Court Associate Justice Jim Rice wrote the subpoena for his communications was an "inappropriate overreach by the Department of Justice and the State Legislature."
The committee chair said he had prepared a list of roughly 40 questions for the Supreme Court Administrator.