falls well within the boundaries the Constitution permits." https://www.cnn.com/2018/08/04/poli...mueller-appointment-trump-subpoena/index.html
The actual decision is clearly linked in the article. http://www.dcd.uscourts.gov/sites/dcd/files/REDACTED_In_re_GJ_18-gj-34_MEM_OP_20180802_FINAL.pdf