Here is the opinion in Parker v. State of Oklahoma.
Appellee Brief not available
We also find this District Court appropriately applied McGirt to determine that Congress did establish a Cherokee Reservation and no evidence was presented showing that Congress explicitly erased or disestablished the boundaries of the Cherokee Reservation or that the State of Oklahoma had jurisdiction in this matter.Hogner v. State of Oklahoma
Here is the opinion in United States v. Clark.
A flurry of motions has come in. Here is the motion to dismiss a criminal complaint on the Cherokee reservation in State of Oklahoma v. Nichols (Tulsa County Dist. Ct.):
Here is the motion to dismiss in a case involving a Creek reservation crime where the defendant marked “I” on the racial identity box, State of Oklahoma v. Williams (Tulsa County Dist. Ct.):
And here is the motion to dismiss in State of Oklahoma v. Shaffer (Tulsa County Dist. Ct.), where the defendant was unenrolled at the time of the crime and is now seeking enrollment at Cherokee: