(August 8, 2023, 10:57 AM EDT) -- DENVER — A federal trial court did not abuse its discretion in denying a motion to dismiss filed by an Indian man who was found guilty of committing voluntary manslaughter in Indian country and argued that he was deprived of due process by the retroactive application of a landmark U.S Supreme Court case that deprived Oklahoma of jurisdiction over such crimes, a 10th Circuit U.S. Court of Appeals panel found in affirming the trial court’s judgment on Aug. 7....