The District of Utah has a few of these cases involving people claiming to be members of the “Wampanoag Nation, Tribe of Grayhead, Wolf Band,” trying to hide behind federal Indian law in order to avoid federal and state regulation. This one is called Burbank v. United States District Court of Utah. It involves a guy who claims to be a member of an Indian tribe, a tribe that even has a tribal cop, named “Spirit Walker.”
Here are some of the materials:
Turtle Talk 