San Diego County is home to many sovereign nations including multiple bands of Kumeyaay who have a nation-to-nation relationship with the United States government. As such they can manage their own affairs, make their own decisions, and negotiate with the Federal government.
As the COVID-19 pandemic has locked down San Diego County, there has been disagreements between the County of San Diego and tribal nations over jurisdiction.
If you are interested in learning how tribal sovereignty works, read this excellent article by the Viejas Band of Kumeyaay Indians.
If you want to learn more about the controversy, KUSI covered Dr. Wooten’s attempts to apply county regulations to sovereign nations and the response by Cody Martinez, Chair of the Sycuan Band of the Kumeyaay Nation.