United States v. Gillette is one of the first reported cases on the new post-United States v. Bryant road. As of yet, there is no reliable (legal) GPS to point the way. This "tiny prairie" casenote is not meant to focus on the answers, but rather clarify the questions and to widen the discussion as the journey continues.
Frank Pommersheim, United States v. Gillette: A Tiny Prairie Casenote Opening A Window On The Enveloping Fog Obscuring The Indian Civil Rights Act Of 1968, 80 Mont. L. Rev. 121 (2019).